51053420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2129}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 118087200

約数和(自身を除く): 67033780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2129, 2180, 2398, 4258, 4796, 5995, 8516, 10645, 11990, 21290, 23419, 23980, 42580, 46838, 93676, 117095, 232061, 234190, 464122, 468380, 928244, 1160305, 2320610, 2552671, 4641220, 5105342, 10210684, 12763355, 25526710, 51053420]

約数ペア:

[(1, 51053420), (2, 25526710), (4, 12763355), (5, 10210684), (10, 5105342), (11, 4641220), (20, 2552671), (22, 2320610), (44, 1160305), (55, 928244), (109, 468380), (110, 464122), (218, 234190), (220, 232061), (436, 117095), (545, 93676), (1090, 46838), (1199, 42580), (2129, 23980), (2180, 23419), (2398, 21290), (4258, 11990), (4796, 10645), (5995, 8516)]