85656880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62983}}^1$

素因数の和:63013

約数の個数: 40

約数和(自身を含む): 210870432

約数和(自身を除く): 125213552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62983, 125966, 251932, 314915, 503864, 629830, 1007728, 1070711, 1259660, 2141422, 2519320, 4282844, 5038640, 5353555, 8565688, 10707110, 17131376, 21414220, 42828440, 85656880]

約数ペア:

[(1, 85656880), (2, 42828440), (4, 21414220), (5, 17131376), (8, 10707110), (10, 8565688), (16, 5353555), (17, 5038640), (20, 4282844), (34, 2519320), (40, 2141422), (68, 1259660), (80, 1070711), (85, 1007728), (136, 629830), (170, 503864), (272, 314915), (340, 251932), (680, 125966), (1360, 62983)]