28726000

素因数分解:

$2^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 71031168

約数和(自身を除く): 42305168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 125, 200, 212, 250, 265, 271, 400, 424, 500, 530, 542, 848, 1000, 1060, 1084, 1325, 1355, 2000, 2120, 2168, 2650, 2710, 4240, 4336, 5300, 5420, 6625, 6775, 10600, 10840, 13250, 13550, 14363, 21200, 21680, 26500, 27100, 28726, 33875, 53000, 54200, 57452, 67750, 71815, 106000, 108400, 114904, 135500, 143630, 229808, 271000, 287260, 359075, 542000, 574520, 718150, 1149040, 1436300, 1795375, 2872600, 3590750, 5745200, 7181500, 14363000, 28726000]

約数ペア:

[(1, 28726000), (2, 14363000), (4, 7181500), (5, 5745200), (8, 3590750), (10, 2872600), (16, 1795375), (20, 1436300), (25, 1149040), (40, 718150), (50, 574520), (53, 542000), (80, 359075), (100, 287260), (106, 271000), (125, 229808), (200, 143630), (212, 135500), (250, 114904), (265, 108400), (271, 106000), (400, 71815), (424, 67750), (500, 57452), (530, 54200), (542, 53000), (848, 33875), (1000, 28726), (1060, 27100), (1084, 26500), (1325, 21680), (1355, 21200), (2000, 14363), (2120, 13550), (2168, 13250), (2650, 10840), (2710, 10600), (4240, 6775), (4336, 6625), (5300, 5420)]