258952640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21871}}^1$

素因数の和:21925

約数の個数: 56

約数和(自身を含む): 633325632

約数和(自身を除く): 374372992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 11840, 21871, 43742, 87484, 109355, 174968, 218710, 349936, 437420, 699872, 809227, 874840, 1399744, 1618454, 1749680, 3236908, 3499360, 4046135, 6473816, 6998720, 8092270, 12947632, 16184540, 25895264, 32369080, 51790528, 64738160, 129476320, 258952640]

約数ペア:

[(1, 258952640), (2, 129476320), (4, 64738160), (5, 51790528), (8, 32369080), (10, 25895264), (16, 16184540), (20, 12947632), (32, 8092270), (37, 6998720), (40, 6473816), (64, 4046135), (74, 3499360), (80, 3236908), (148, 1749680), (160, 1618454), (185, 1399744), (296, 874840), (320, 809227), (370, 699872), (592, 437420), (740, 349936), (1184, 218710), (1480, 174968), (2368, 109355), (2960, 87484), (5920, 43742), (11840, 21871)]