72663160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20411}}^1$

素因数の和:20511

約数の個数: 32

約数和(自身を含む): 165337200

約数和(自身を除く): 92674040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20411, 40822, 81644, 102055, 163288, 204110, 408220, 816440, 1816579, 3633158, 7266316, 9082895, 14532632, 18165790, 36331580, 72663160]

約数ペア:

[(1, 72663160), (2, 36331580), (4, 18165790), (5, 14532632), (8, 9082895), (10, 7266316), (20, 3633158), (40, 1816579), (89, 816440), (178, 408220), (356, 204110), (445, 163288), (712, 102055), (890, 81644), (1780, 40822), (3560, 20411)]