137358520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8576

約数の個数: 64

約数和(自身を含む): 343607040

約数和(自身を除く): 206248520

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, 4030, 8060, 8521, 16120, 17042, 34084, 42605, 68168, 85210, 110773, 170420, 221546, 264151, 340840, 443092, 528302, 553865, 886184, 1056604, 1107730, 1320755, 2113208, 2215460, 2641510, 3433963, 4430920, 5283020, 6867926, 10566040, 13735852, 17169815, 27471704, 34339630, 68679260, 137358520]

約数ペア:

[(1, 137358520), (2, 68679260), (4, 34339630), (5, 27471704), (8, 17169815), (10, 13735852), (13, 10566040), (20, 6867926), (26, 5283020), (31, 4430920), (40, 3433963), (52, 2641510), (62, 2215460), (65, 2113208), (104, 1320755), (124, 1107730), (130, 1056604), (155, 886184), (248, 553865), (260, 528302), (310, 443092), (403, 340840), (520, 264151), (620, 221546), (806, 170420), (1240, 110773), (1612, 85210), (2015, 68168), (3224, 42605), (4030, 34084), (8060, 17042), (8521, 16120)]