40995400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 96690240

約数和(自身を除く): 55694840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 2887, 3550, 5774, 7100, 11548, 14200, 14435, 23096, 28870, 57740, 72175, 115480, 144350, 204977, 288700, 409954, 577400, 819908, 1024885, 1639816, 2049770, 4099540, 5124425, 8199080, 10248850, 20497700, 40995400]

約数ペア:

[(1, 40995400), (2, 20497700), (4, 10248850), (5, 8199080), (8, 5124425), (10, 4099540), (20, 2049770), (25, 1639816), (40, 1024885), (50, 819908), (71, 577400), (100, 409954), (142, 288700), (200, 204977), (284, 144350), (355, 115480), (568, 72175), (710, 57740), (1420, 28870), (1775, 23096), (2840, 14435), (2887, 14200), (3550, 11548), (5774, 7100)]