40722940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 88788672

約数和(自身を除く): 48065732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 487, 565, 740, 974, 1130, 1948, 2260, 2435, 4181, 4870, 8362, 9740, 16724, 18019, 20905, 36038, 41810, 55031, 72076, 83620, 90095, 110062, 180190, 220124, 275155, 360380, 550310, 1100620, 2036147, 4072294, 8144588, 10180735, 20361470, 40722940]

約数ペア:

[(1, 40722940), (2, 20361470), (4, 10180735), (5, 8144588), (10, 4072294), (20, 2036147), (37, 1100620), (74, 550310), (113, 360380), (148, 275155), (185, 220124), (226, 180190), (370, 110062), (452, 90095), (487, 83620), (565, 72076), (740, 55031), (974, 41810), (1130, 36038), (1948, 20905), (2260, 18019), (2435, 16724), (4181, 9740), (4870, 8362)]