12645160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 19495640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 991, 1160, 1276, 1595, 1982, 2552, 3190, 3964, 4955, 6380, 7928, 9910, 10901, 12760, 19820, 21802, 28739, 39640, 43604, 54505, 57478, 87208, 109010, 114956, 143695, 218020, 229912, 287390, 316129, 436040, 574780, 632258, 1149560, 1264516, 1580645, 2529032, 3161290, 6322580, 12645160]

約数ペア:

[(1, 12645160), (2, 6322580), (4, 3161290), (5, 2529032), (8, 1580645), (10, 1264516), (11, 1149560), (20, 632258), (22, 574780), (29, 436040), (40, 316129), (44, 287390), (55, 229912), (58, 218020), (88, 143695), (110, 114956), (116, 109010), (145, 87208), (220, 57478), (232, 54505), (290, 43604), (319, 39640), (440, 28739), (580, 21802), (638, 19820), (991, 12760), (1160, 10901), (1276, 9910), (1595, 7928), (1982, 6380), (2552, 4955), (3190, 3964)]