40784360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 99850320

約数和(自身を除く): 59065960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 1621, 2516, 3145, 3242, 5032, 6290, 6484, 8105, 12580, 12968, 16210, 25160, 27557, 32420, 55114, 59977, 64840, 110228, 119954, 137785, 220456, 239908, 275570, 299885, 479816, 551140, 599770, 1019609, 1102280, 1199540, 2039218, 2399080, 4078436, 5098045, 8156872, 10196090, 20392180, 40784360]

約数ペア:

[(1, 40784360), (2, 20392180), (4, 10196090), (5, 8156872), (8, 5098045), (10, 4078436), (17, 2399080), (20, 2039218), (34, 1199540), (37, 1102280), (40, 1019609), (68, 599770), (74, 551140), (85, 479816), (136, 299885), (148, 275570), (170, 239908), (185, 220456), (296, 137785), (340, 119954), (370, 110228), (629, 64840), (680, 59977), (740, 55114), (1258, 32420), (1480, 27557), (1621, 25160), (2516, 16210), (3145, 12968), (3242, 12580), (5032, 8105), (6290, 6484)]