40849940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 90768384

約数和(自身を除く): 49918444

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 1607, 2542, 3214, 5084, 6355, 6428, 8035, 12710, 16070, 25420, 32140, 49817, 65887, 99634, 131774, 199268, 249085, 263548, 329435, 498170, 658870, 996340, 1317740, 2042497, 4084994, 8169988, 10212485, 20424970, 40849940]

約数ペア:

[(1, 40849940), (2, 20424970), (4, 10212485), (5, 8169988), (10, 4084994), (20, 2042497), (31, 1317740), (41, 996340), (62, 658870), (82, 498170), (124, 329435), (155, 263548), (164, 249085), (205, 199268), (310, 131774), (410, 99634), (620, 65887), (820, 49817), (1271, 32140), (1607, 25420), (2542, 16070), (3214, 12710), (5084, 8035), (6355, 6428)]