45180140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31817}}^1$

素因数の和:31897

約数の個数: 24

約数和(自身を含む): 96217632

約数和(自身を除く): 51037492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 31817, 63634, 127268, 159085, 318170, 636340, 2259007, 4518014, 9036028, 11295035, 22590070, 45180140]

約数ペア:

[(1, 45180140), (2, 22590070), (4, 11295035), (5, 9036028), (10, 4518014), (20, 2259007), (71, 636340), (142, 318170), (284, 159085), (355, 127268), (710, 63634), (1420, 31817)]