99885640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35171}}^1$

素因数の和:35253

約数の個数: 32

約数和(自身を含む): 227914560

約数和(自身を除く): 128028920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 35171, 70342, 140684, 175855, 281368, 351710, 703420, 1406840, 2497141, 4994282, 9988564, 12485705, 19977128, 24971410, 49942820, 99885640]

約数ペア:

[(1, 99885640), (2, 49942820), (4, 24971410), (5, 19977128), (8, 12485705), (10, 9988564), (20, 4994282), (40, 2497141), (71, 1406840), (142, 703420), (284, 351710), (355, 281368), (568, 175855), (710, 140684), (1420, 70342), (2840, 35171)]