64663520

素因数分解:

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

素因数の和:13083

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 93044128

約数列:

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

約数ペア:

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