55549520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 143657472

約数和(自身を除く): 88107952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 1723, 2015, 2480, 3224, 3446, 4030, 6448, 6892, 8060, 8615, 13784, 16120, 17230, 22399, 27568, 32240, 34460, 44798, 53413, 68920, 89596, 106826, 111995, 137840, 179192, 213652, 223990, 267065, 358384, 427304, 447980, 534130, 694369, 854608, 895960, 1068260, 1388738, 1791920, 2136520, 2777476, 3471845, 4273040, 5554952, 6943690, 11109904, 13887380, 27774760, 55549520]

約数ペア:

[(1, 55549520), (2, 27774760), (4, 13887380), (5, 11109904), (8, 6943690), (10, 5554952), (13, 4273040), (16, 3471845), (20, 2777476), (26, 2136520), (31, 1791920), (40, 1388738), (52, 1068260), (62, 895960), (65, 854608), (80, 694369), (104, 534130), (124, 447980), (130, 427304), (155, 358384), (208, 267065), (248, 223990), (260, 213652), (310, 179192), (403, 137840), (496, 111995), (520, 106826), (620, 89596), (806, 68920), (1040, 53413), (1240, 44798), (1612, 34460), (1723, 32240), (2015, 27568), (2480, 22399), (3224, 17230), (3446, 16120), (4030, 13784), (6448, 8615), (6892, 8060)]