25789400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 74883600

約数和(自身を除く): 49094200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 109, 130, 140, 169, 175, 182, 200, 218, 260, 280, 325, 338, 350, 364, 436, 455, 520, 545, 650, 676, 700, 728, 763, 845, 872, 910, 1090, 1183, 1300, 1352, 1400, 1417, 1526, 1690, 1820, 2180, 2275, 2366, 2600, 2725, 2834, 3052, 3380, 3640, 3815, 4225, 4360, 4550, 4732, 5450, 5668, 5915, 6104, 6760, 7085, 7630, 8450, 9100, 9464, 9919, 10900, 11336, 11830, 14170, 15260, 16900, 18200, 18421, 19075, 19838, 21800, 23660, 28340, 29575, 30520, 33800, 35425, 36842, 38150, 39676, 47320, 49595, 56680, 59150, 70850, 73684, 76300, 79352, 92105, 99190, 118300, 128947, 141700, 147368, 152600, 184210, 198380, 236600, 247975, 257894, 283400, 368420, 396760, 460525, 495950, 515788, 644735, 736840, 921050, 991900, 1031576, 1289470, 1842100, 1983800, 2578940, 3223675, 3684200, 5157880, 6447350, 12894700, 25789400]

約数ペア:

[(1, 25789400), (2, 12894700), (4, 6447350), (5, 5157880), (7, 3684200), (8, 3223675), (10, 2578940), (13, 1983800), (14, 1842100), (20, 1289470), (25, 1031576), (26, 991900), (28, 921050), (35, 736840), (40, 644735), (50, 515788), (52, 495950), (56, 460525), (65, 396760), (70, 368420), (91, 283400), (100, 257894), (104, 247975), (109, 236600), (130, 198380), (140, 184210), (169, 152600), (175, 147368), (182, 141700), (200, 128947), (218, 118300), (260, 99190), (280, 92105), (325, 79352), (338, 76300), (350, 73684), (364, 70850), (436, 59150), (455, 56680), (520, 49595), (545, 47320), (650, 39676), (676, 38150), (700, 36842), (728, 35425), (763, 33800), (845, 30520), (872, 29575), (910, 28340), (1090, 23660), (1183, 21800), (1300, 19838), (1352, 19075), (1400, 18421), (1417, 18200), (1526, 16900), (1690, 15260), (1820, 14170), (2180, 11830), (2275, 11336), (2366, 10900), (2600, 9919), (2725, 9464), (2834, 9100), (3052, 8450), (3380, 7630), (3640, 7085), (3815, 6760), (4225, 6104), (4360, 5915), (4550, 5668), (4732, 5450)]