40575940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 91010304

約数和(自身を除く): 50434364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 911, 1310, 1822, 2227, 2620, 3644, 4454, 4555, 8908, 9110, 11135, 15487, 18220, 22270, 30974, 44540, 61948, 77435, 119341, 154870, 238682, 309740, 477364, 596705, 1193410, 2028797, 2386820, 4057594, 8115188, 10143985, 20287970, 40575940]

約数ペア:

[(1, 40575940), (2, 20287970), (4, 10143985), (5, 8115188), (10, 4057594), (17, 2386820), (20, 2028797), (34, 1193410), (68, 596705), (85, 477364), (131, 309740), (170, 238682), (262, 154870), (340, 119341), (524, 77435), (655, 61948), (911, 44540), (1310, 30974), (1822, 22270), (2227, 18220), (2620, 15487), (3644, 11135), (4454, 9110), (4555, 8908)]