25391360

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 61810560

約数和(自身を除く): 36419200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 239, 256, 320, 332, 415, 478, 640, 664, 830, 956, 1195, 1280, 1328, 1660, 1912, 2390, 2656, 3320, 3824, 4780, 5312, 6640, 7648, 9560, 10624, 13280, 15296, 19120, 19837, 21248, 26560, 30592, 38240, 39674, 53120, 61184, 76480, 79348, 99185, 106240, 152960, 158696, 198370, 305920, 317392, 396740, 634784, 793480, 1269568, 1586960, 2539136, 3173920, 5078272, 6347840, 12695680, 25391360]

約数ペア:

[(1, 25391360), (2, 12695680), (4, 6347840), (5, 5078272), (8, 3173920), (10, 2539136), (16, 1586960), (20, 1269568), (32, 793480), (40, 634784), (64, 396740), (80, 317392), (83, 305920), (128, 198370), (160, 158696), (166, 152960), (239, 106240), (256, 99185), (320, 79348), (332, 76480), (415, 61184), (478, 53120), (640, 39674), (664, 38240), (830, 30592), (956, 26560), (1195, 21248), (1280, 19837), (1328, 19120), (1660, 15296), (1912, 13280), (2390, 10624), (2656, 9560), (3320, 7648), (3824, 6640), (4780, 5312)]