64038560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12957

約数の個数: 48

約数和(自身を含む): 156183552

約数和(自身を除く): 92144992

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, 12911, 25822, 51644, 64555, 103288, 129110, 206576, 258220, 400241, 413152, 516440, 800482, 1032880, 1600964, 2001205, 2065760, 3201928, 4002410, 6403856, 8004820, 12807712, 16009640, 32019280, 64038560]

約数ペア:

[(1, 64038560), (2, 32019280), (4, 16009640), (5, 12807712), (8, 8004820), (10, 6403856), (16, 4002410), (20, 3201928), (31, 2065760), (32, 2001205), (40, 1600964), (62, 1032880), (80, 800482), (124, 516440), (155, 413152), (160, 400241), (248, 258220), (310, 206576), (496, 129110), (620, 103288), (992, 64555), (1240, 51644), (2480, 25822), (4960, 12911)]