51775580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 117242496

約数和(自身を除く): 65466916

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 61, 62, 74, 122, 124, 148, 155, 185, 244, 305, 310, 370, 610, 620, 740, 1147, 1220, 1369, 1891, 2257, 2294, 2738, 3782, 4514, 4588, 5476, 5735, 6845, 7564, 9028, 9455, 11285, 11470, 13690, 18910, 22570, 22940, 27380, 37820, 42439, 45140, 69967, 83509, 84878, 139934, 167018, 169756, 212195, 279868, 334036, 349835, 417545, 424390, 699670, 835090, 848780, 1399340, 1670180, 2588779, 5177558, 10355116, 12943895, 25887790, 51775580]

約数ペア:

[(1, 51775580), (2, 25887790), (4, 12943895), (5, 10355116), (10, 5177558), (20, 2588779), (31, 1670180), (37, 1399340), (61, 848780), (62, 835090), (74, 699670), (122, 424390), (124, 417545), (148, 349835), (155, 334036), (185, 279868), (244, 212195), (305, 169756), (310, 167018), (370, 139934), (610, 84878), (620, 83509), (740, 69967), (1147, 45140), (1220, 42439), (1369, 37820), (1891, 27380), (2257, 22940), (2294, 22570), (2738, 18910), (3782, 13690), (4514, 11470), (4588, 11285), (5476, 9455), (5735, 9028), (6845, 7564)]