40626940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 95627952

約数和(自身を除く): 55001012

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 331, 340, 361, 380, 646, 662, 722, 1292, 1324, 1444, 1615, 1655, 1805, 3230, 3310, 3610, 5627, 6137, 6289, 6460, 6620, 7220, 11254, 12274, 12578, 22508, 24548, 25156, 28135, 30685, 31445, 56270, 61370, 62890, 106913, 112540, 119491, 122740, 125780, 213826, 238982, 427652, 477964, 534565, 597455, 1069130, 1194910, 2031347, 2138260, 2389820, 4062694, 8125388, 10156735, 20313470, 40626940]

約数ペア:

[(1, 40626940), (2, 20313470), (4, 10156735), (5, 8125388), (10, 4062694), (17, 2389820), (19, 2138260), (20, 2031347), (34, 1194910), (38, 1069130), (68, 597455), (76, 534565), (85, 477964), (95, 427652), (170, 238982), (190, 213826), (323, 125780), (331, 122740), (340, 119491), (361, 112540), (380, 106913), (646, 62890), (662, 61370), (722, 56270), (1292, 31445), (1324, 30685), (1444, 28135), (1615, 25156), (1655, 24548), (1805, 22508), (3230, 12578), (3310, 12274), (3610, 11254), (5627, 7220), (6137, 6620), (6289, 6460)]