67638640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17989}}^1$

素因数の和:18049

約数の個数: 40

約数和(自身を含む): 160614720

約数和(自身を除く): 92976080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17989, 35978, 71956, 89945, 143912, 179890, 287824, 359780, 719560, 845483, 1439120, 1690966, 3381932, 4227415, 6763864, 8454830, 13527728, 16909660, 33819320, 67638640]

約数ペア:

[(1, 67638640), (2, 33819320), (4, 16909660), (5, 13527728), (8, 8454830), (10, 6763864), (16, 4227415), (20, 3381932), (40, 1690966), (47, 1439120), (80, 845483), (94, 719560), (188, 359780), (235, 287824), (376, 179890), (470, 143912), (752, 89945), (940, 71956), (1880, 35978), (3760, 17989)]