53390740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 127925280

約数和(自身を除く): 74534540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 73, 97, 116, 130, 145, 146, 194, 260, 290, 292, 365, 377, 388, 485, 580, 730, 754, 949, 970, 1261, 1460, 1508, 1885, 1898, 1940, 2117, 2522, 2813, 3770, 3796, 4234, 4745, 5044, 5626, 6305, 7081, 7540, 8468, 9490, 10585, 11252, 12610, 14065, 14162, 18980, 21170, 25220, 27521, 28130, 28324, 35405, 36569, 42340, 55042, 56260, 70810, 73138, 92053, 110084, 137605, 141620, 146276, 182845, 184106, 205349, 275210, 365690, 368212, 410698, 460265, 550420, 731380, 821396, 920530, 1026745, 1841060, 2053490, 2669537, 4106980, 5339074, 10678148, 13347685, 26695370, 53390740]

約数ペア:

[(1, 53390740), (2, 26695370), (4, 13347685), (5, 10678148), (10, 5339074), (13, 4106980), (20, 2669537), (26, 2053490), (29, 1841060), (52, 1026745), (58, 920530), (65, 821396), (73, 731380), (97, 550420), (116, 460265), (130, 410698), (145, 368212), (146, 365690), (194, 275210), (260, 205349), (290, 184106), (292, 182845), (365, 146276), (377, 141620), (388, 137605), (485, 110084), (580, 92053), (730, 73138), (754, 70810), (949, 56260), (970, 55042), (1261, 42340), (1460, 36569), (1508, 35405), (1885, 28324), (1898, 28130), (1940, 27521), (2117, 25220), (2522, 21170), (2813, 18980), (3770, 14162), (3796, 14065), (4234, 12610), (4745, 11252), (5044, 10585), (5626, 9490), (6305, 8468), (7081, 7540)]