2013256540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 4402944000

約数和(自身を除く): 2389687460

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 103, 139, 158, 178, 206, 278, 316, 356, 395, 412, 445, 515, 556, 695, 790, 890, 1030, 1390, 1580, 1780, 2060, 2780, 7031, 8137, 9167, 10981, 12371, 14062, 14317, 16274, 18334, 21962, 24742, 28124, 28634, 32548, 35155, 36668, 40685, 43924, 45835, 49484, 54905, 57268, 61855, 70310, 71585, 81370, 91670, 109810, 123710, 140620, 143170, 162740, 183340, 219620, 247420, 286340, 724193, 977309, 1131043, 1274213, 1448386, 1954618, 2262086, 2548426, 2896772, 3620965, 3909236, 4524172, 4886545, 5096852, 5655215, 6371065, 7241930, 9773090, 11310430, 12742130, 14483860, 19546180, 22620860, 25484260, 100662827, 201325654, 402651308, 503314135, 1006628270, 2013256540]

約数ペア:

[(1, 2013256540), (2, 1006628270), (4, 503314135), (5, 402651308), (10, 201325654), (20, 100662827), (79, 25484260), (89, 22620860), (103, 19546180), (139, 14483860), (158, 12742130), (178, 11310430), (206, 9773090), (278, 7241930), (316, 6371065), (356, 5655215), (395, 5096852), (412, 4886545), (445, 4524172), (515, 3909236), (556, 3620965), (695, 2896772), (790, 2548426), (890, 2262086), (1030, 1954618), (1390, 1448386), (1580, 1274213), (1780, 1131043), (2060, 977309), (2780, 724193), (7031, 286340), (8137, 247420), (9167, 219620), (10981, 183340), (12371, 162740), (14062, 143170), (14317, 140620), (16274, 123710), (18334, 109810), (21962, 91670), (24742, 81370), (28124, 71585), (28634, 70310), (32548, 61855), (35155, 57268), (36668, 54905), (40685, 49484), (43924, 45835)]