39778640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2700

約数の個数: 80

約数和(自身を含む): 106868160

約数和(自身を除く): 67089520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2659, 2992, 3740, 5318, 7480, 10636, 13295, 14960, 21272, 26590, 29249, 42544, 45203, 53180, 58498, 90406, 106360, 116996, 146245, 180812, 212720, 226015, 233992, 292490, 361624, 452030, 467984, 497233, 584980, 723248, 904060, 994466, 1169960, 1808120, 1988932, 2339920, 2486165, 3616240, 3977864, 4972330, 7955728, 9944660, 19889320, 39778640]

約数ペア:

[(1, 39778640), (2, 19889320), (4, 9944660), (5, 7955728), (8, 4972330), (10, 3977864), (11, 3616240), (16, 2486165), (17, 2339920), (20, 1988932), (22, 1808120), (34, 1169960), (40, 994466), (44, 904060), (55, 723248), (68, 584980), (80, 497233), (85, 467984), (88, 452030), (110, 361624), (136, 292490), (170, 233992), (176, 226015), (187, 212720), (220, 180812), (272, 146245), (340, 116996), (374, 106360), (440, 90406), (680, 58498), (748, 53180), (880, 45203), (935, 42544), (1360, 29249), (1496, 26590), (1870, 21272), (2659, 14960), (2992, 13295), (3740, 10636), (5318, 7480)]