27774760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 69511680

約数和(自身を除く): 41736920

約数列:

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

約数ペア:

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