8195980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 19192320

約数和(自身を除く): 10996340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1087, 1508, 1885, 2174, 3770, 4348, 5435, 7540, 10870, 14131, 21740, 28262, 31523, 56524, 63046, 70655, 126092, 141310, 157615, 282620, 315230, 409799, 630460, 819598, 1639196, 2048995, 4097990, 8195980]

約数ペア:

[(1, 8195980), (2, 4097990), (4, 2048995), (5, 1639196), (10, 819598), (13, 630460), (20, 409799), (26, 315230), (29, 282620), (52, 157615), (58, 141310), (65, 126092), (116, 70655), (130, 63046), (145, 56524), (260, 31523), (290, 28262), (377, 21740), (580, 14131), (754, 10870), (1087, 7540), (1508, 5435), (1885, 4348), (2174, 3770)]