51927980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 124467840

約数和(自身を除く): 72539860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 71, 97, 116, 130, 142, 145, 194, 260, 284, 290, 355, 377, 388, 485, 580, 710, 754, 923, 970, 1261, 1420, 1508, 1846, 1885, 1940, 2059, 2522, 2813, 3692, 3770, 4118, 4615, 5044, 5626, 6305, 6887, 7540, 8236, 9230, 10295, 11252, 12610, 13774, 14065, 18460, 20590, 25220, 26767, 27548, 28130, 34435, 36569, 41180, 53534, 56260, 68870, 73138, 89531, 107068, 133835, 137740, 146276, 179062, 182845, 199723, 267670, 358124, 365690, 399446, 447655, 535340, 731380, 798892, 895310, 998615, 1790620, 1997230, 2596399, 3994460, 5192798, 10385596, 12981995, 25963990, 51927980]

約数ペア:

[(1, 51927980), (2, 25963990), (4, 12981995), (5, 10385596), (10, 5192798), (13, 3994460), (20, 2596399), (26, 1997230), (29, 1790620), (52, 998615), (58, 895310), (65, 798892), (71, 731380), (97, 535340), (116, 447655), (130, 399446), (142, 365690), (145, 358124), (194, 267670), (260, 199723), (284, 182845), (290, 179062), (355, 146276), (377, 137740), (388, 133835), (485, 107068), (580, 89531), (710, 73138), (754, 68870), (923, 56260), (970, 53534), (1261, 41180), (1420, 36569), (1508, 34435), (1846, 28130), (1885, 27548), (1940, 26767), (2059, 25220), (2522, 20590), (2813, 18460), (3692, 14065), (3770, 13774), (4118, 12610), (4615, 11252), (5044, 10295), (5626, 9230), (6305, 8236), (6887, 7540)]