80432800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 229485312

約数和(自身を除く): 149052512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 140, 160, 175, 200, 212, 224, 265, 271, 280, 350, 371, 400, 424, 530, 542, 560, 700, 742, 800, 848, 1060, 1084, 1120, 1325, 1355, 1400, 1484, 1696, 1855, 1897, 2120, 2168, 2650, 2710, 2800, 2968, 3710, 3794, 4240, 4336, 5300, 5420, 5600, 5936, 6775, 7420, 7588, 8480, 8672, 9275, 9485, 10600, 10840, 11872, 13550, 14363, 14840, 15176, 18550, 18970, 21200, 21680, 27100, 28726, 29680, 30352, 37100, 37940, 42400, 43360, 47425, 54200, 57452, 59360, 60704, 71815, 74200, 75880, 94850, 100541, 108400, 114904, 143630, 148400, 151760, 189700, 201082, 216800, 229808, 287260, 296800, 303520, 359075, 379400, 402164, 459616, 502705, 574520, 718150, 758800, 804328, 1005410, 1149040, 1436300, 1517600, 1608656, 2010820, 2298080, 2513525, 2872600, 3217312, 4021640, 5027050, 5745200, 8043280, 10054100, 11490400, 16086560, 20108200, 40216400, 80432800]

約数ペア:

[(1, 80432800), (2, 40216400), (4, 20108200), (5, 16086560), (7, 11490400), (8, 10054100), (10, 8043280), (14, 5745200), (16, 5027050), (20, 4021640), (25, 3217312), (28, 2872600), (32, 2513525), (35, 2298080), (40, 2010820), (50, 1608656), (53, 1517600), (56, 1436300), (70, 1149040), (80, 1005410), (100, 804328), (106, 758800), (112, 718150), (140, 574520), (160, 502705), (175, 459616), (200, 402164), (212, 379400), (224, 359075), (265, 303520), (271, 296800), (280, 287260), (350, 229808), (371, 216800), (400, 201082), (424, 189700), (530, 151760), (542, 148400), (560, 143630), (700, 114904), (742, 108400), (800, 100541), (848, 94850), (1060, 75880), (1084, 74200), (1120, 71815), (1325, 60704), (1355, 59360), (1400, 57452), (1484, 54200), (1696, 47425), (1855, 43360), (1897, 42400), (2120, 37940), (2168, 37100), (2650, 30352), (2710, 29680), (2800, 28726), (2968, 27100), (3710, 21680), (3794, 21200), (4240, 18970), (4336, 18550), (5300, 15176), (5420, 14840), (5600, 14363), (5936, 13550), (6775, 11872), (7420, 10840), (7588, 10600), (8480, 9485), (8672, 9275)]