396824360

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{87793}}^1$

素因数の和:87917

約数の個数: 32

約数和(自身を含む): 900766440

約数和(自身を除く): 503942080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 87793, 175586, 351172, 438965, 702344, 877930, 1755860, 3511720, 9920609, 19841218, 39682436, 49603045, 79364872, 99206090, 198412180, 396824360]

約数ペア:

[(1, 396824360), (2, 198412180), (4, 99206090), (5, 79364872), (8, 49603045), (10, 39682436), (20, 19841218), (40, 9920609), (113, 3511720), (226, 1755860), (452, 877930), (565, 702344), (904, 438965), (1130, 351172), (2260, 175586), (4520, 87793)]