64689560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4068

約数の個数: 64

約数和(自身を含む): 161844480

約数和(自身を除く): 97154920

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, 2015, 3224, 4013, 4030, 8026, 8060, 16052, 16120, 20065, 32104, 40130, 52169, 80260, 104338, 124403, 160520, 208676, 248806, 260845, 417352, 497612, 521690, 622015, 995224, 1043380, 1244030, 1617239, 2086760, 2488060, 3234478, 4976120, 6468956, 8086195, 12937912, 16172390, 32344780, 64689560]

約数ペア:

[(1, 64689560), (2, 32344780), (4, 16172390), (5, 12937912), (8, 8086195), (10, 6468956), (13, 4976120), (20, 3234478), (26, 2488060), (31, 2086760), (40, 1617239), (52, 1244030), (62, 1043380), (65, 995224), (104, 622015), (124, 521690), (130, 497612), (155, 417352), (248, 260845), (260, 248806), (310, 208676), (403, 160520), (520, 124403), (620, 104338), (806, 80260), (1240, 52169), (1612, 40130), (2015, 32104), (3224, 20065), (4013, 16120), (4030, 16052), (8026, 8060)]