258654080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13037}}^1$

素因数の和:13087

約数の個数: 64

約数和(自身を含む): 638340480

約数和(自身を除く): 379686400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 13037, 19840, 26074, 52148, 65185, 104296, 130370, 208592, 260740, 404147, 417184, 521480, 808294, 834368, 1042960, 1616588, 1668736, 2020735, 2085920, 3233176, 4041470, 4171840, 6466352, 8082940, 8343680, 12932704, 16165880, 25865408, 32331760, 51730816, 64663520, 129327040, 258654080]

約数ペア:

[(1, 258654080), (2, 129327040), (4, 64663520), (5, 51730816), (8, 32331760), (10, 25865408), (16, 16165880), (20, 12932704), (31, 8343680), (32, 8082940), (40, 6466352), (62, 4171840), (64, 4041470), (80, 3233176), (124, 2085920), (128, 2020735), (155, 1668736), (160, 1616588), (248, 1042960), (310, 834368), (320, 808294), (496, 521480), (620, 417184), (640, 404147), (992, 260740), (1240, 208592), (1984, 130370), (2480, 104296), (3968, 65185), (4960, 52148), (9920, 26074), (13037, 19840)]