508365680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89501}}^1$

素因数の和:89585

約数の個数: 40

約数和(自身を含む): 1198610784

約数和(自身を除く): 690245104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 89501, 179002, 358004, 447505, 716008, 895010, 1432016, 1790020, 3580040, 6354571, 7160080, 12709142, 25418284, 31772855, 50836568, 63545710, 101673136, 127091420, 254182840, 508365680]

約数ペア:

[(1, 508365680), (2, 254182840), (4, 127091420), (5, 101673136), (8, 63545710), (10, 50836568), (16, 31772855), (20, 25418284), (40, 12709142), (71, 7160080), (80, 6354571), (142, 3580040), (284, 1790020), (355, 1432016), (568, 895010), (710, 716008), (1136, 447505), (1420, 358004), (2840, 179002), (5680, 89501)]