25487080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 62421840

約数和(自身を除く): 36934760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1013, 1258, 1480, 2026, 2516, 3145, 4052, 5032, 5065, 6290, 8104, 10130, 12580, 17221, 20260, 25160, 34442, 37481, 40520, 68884, 74962, 86105, 137768, 149924, 172210, 187405, 299848, 344420, 374810, 637177, 688840, 749620, 1274354, 1499240, 2548708, 3185885, 5097416, 6371770, 12743540, 25487080]

約数ペア:

[(1, 25487080), (2, 12743540), (4, 6371770), (5, 5097416), (8, 3185885), (10, 2548708), (17, 1499240), (20, 1274354), (34, 749620), (37, 688840), (40, 637177), (68, 374810), (74, 344420), (85, 299848), (136, 187405), (148, 172210), (170, 149924), (185, 137768), (296, 86105), (340, 74962), (370, 68884), (629, 40520), (680, 37481), (740, 34442), (1013, 25160), (1258, 20260), (1480, 17221), (2026, 12580), (2516, 10130), (3145, 8104), (4052, 6290), (5032, 5065)]