40865480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 98271360

約数和(自身を除く): 57405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1033, 1720, 1978, 2066, 3956, 4132, 4945, 5165, 7912, 8264, 9890, 10330, 19780, 20660, 23759, 39560, 41320, 44419, 47518, 88838, 95036, 118795, 177676, 190072, 222095, 237590, 355352, 444190, 475180, 888380, 950360, 1021637, 1776760, 2043274, 4086548, 5108185, 8173096, 10216370, 20432740, 40865480]

約数ペア:

[(1, 40865480), (2, 20432740), (4, 10216370), (5, 8173096), (8, 5108185), (10, 4086548), (20, 2043274), (23, 1776760), (40, 1021637), (43, 950360), (46, 888380), (86, 475180), (92, 444190), (115, 355352), (172, 237590), (184, 222095), (215, 190072), (230, 177676), (344, 118795), (430, 95036), (460, 88838), (860, 47518), (920, 44419), (989, 41320), (1033, 39560), (1720, 23759), (1978, 20660), (2066, 19780), (3956, 10330), (4132, 9890), (4945, 8264), (5165, 7912)]