129327040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13037}}^1$

素因数の和:13085

約数の個数: 56

約数和(自身を含む): 317918592

約数和(自身を除く): 188591552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13037, 26074, 52148, 65185, 104296, 130370, 208592, 260740, 404147, 417184, 521480, 808294, 834368, 1042960, 1616588, 2020735, 2085920, 3233176, 4041470, 4171840, 6466352, 8082940, 12932704, 16165880, 25865408, 32331760, 64663520, 129327040]

約数ペア:

[(1, 129327040), (2, 64663520), (4, 32331760), (5, 25865408), (8, 16165880), (10, 12932704), (16, 8082940), (20, 6466352), (31, 4171840), (32, 4041470), (40, 3233176), (62, 2085920), (64, 2020735), (80, 1616588), (124, 1042960), (155, 834368), (160, 808294), (248, 521480), (310, 417184), (320, 404147), (496, 260740), (620, 208592), (992, 130370), (1240, 104296), (1984, 65185), (2480, 52148), (4960, 26074), (9920, 13037)]