828293680

素因数分解:

$2^4\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{6991}}^1$

素因数の和:8485

約数の個数: 40

約数和(自身を含む): 1927358784

約数和(自身を除く): 1099065104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1481, 2962, 5924, 6991, 7405, 11848, 13982, 14810, 23696, 27964, 29620, 34955, 55928, 59240, 69910, 111856, 118480, 139820, 279640, 559280, 10353671, 20707342, 41414684, 51768355, 82829368, 103536710, 165658736, 207073420, 414146840, 828293680]

約数ペア:

[(1, 828293680), (2, 414146840), (4, 207073420), (5, 165658736), (8, 103536710), (10, 82829368), (16, 51768355), (20, 41414684), (40, 20707342), (80, 10353671), (1481, 559280), (2962, 279640), (5924, 139820), (6991, 118480), (7405, 111856), (11848, 69910), (13982, 59240), (14810, 55928), (23696, 34955), (27964, 29620)]