25099920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 85655232

約数和(自身を除く): 60555312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 491, 568, 639, 710, 720, 852, 982, 1065, 1136, 1278, 1420, 1473, 1704, 1964, 2130, 2455, 2556, 2840, 2946, 3195, 3408, 3928, 4260, 4419, 4910, 5112, 5680, 5892, 6390, 7365, 7856, 8520, 8838, 9820, 10224, 11784, 12780, 14730, 17040, 17676, 19640, 22095, 23568, 25560, 29460, 34861, 35352, 39280, 44190, 51120, 58920, 69722, 70704, 88380, 104583, 117840, 139444, 174305, 176760, 209166, 278888, 313749, 348610, 353520, 418332, 522915, 557776, 627498, 697220, 836664, 1045830, 1254996, 1394440, 1568745, 1673328, 2091660, 2509992, 2788880, 3137490, 4183320, 5019984, 6274980, 8366640, 12549960, 25099920]

約数ペア:

[(1, 25099920), (2, 12549960), (3, 8366640), (4, 6274980), (5, 5019984), (6, 4183320), (8, 3137490), (9, 2788880), (10, 2509992), (12, 2091660), (15, 1673328), (16, 1568745), (18, 1394440), (20, 1254996), (24, 1045830), (30, 836664), (36, 697220), (40, 627498), (45, 557776), (48, 522915), (60, 418332), (71, 353520), (72, 348610), (80, 313749), (90, 278888), (120, 209166), (142, 176760), (144, 174305), (180, 139444), (213, 117840), (240, 104583), (284, 88380), (355, 70704), (360, 69722), (426, 58920), (491, 51120), (568, 44190), (639, 39280), (710, 35352), (720, 34861), (852, 29460), (982, 25560), (1065, 23568), (1136, 22095), (1278, 19640), (1420, 17676), (1473, 17040), (1704, 14730), (1964, 12780), (2130, 11784), (2455, 10224), (2556, 9820), (2840, 8838), (2946, 8520), (3195, 7856), (3408, 7365), (3928, 6390), (4260, 5892), (4419, 5680), (4910, 5112)]