138306880

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5471}}^1$

素因数の和:5567

約数の個数: 56

約数和(自身を含む): 333573120

約数和(自身を除く): 195266240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 5471, 6320, 10942, 12640, 21884, 25280, 27355, 43768, 54710, 87536, 109420, 175072, 218840, 350144, 432209, 437680, 864418, 875360, 1728836, 1750720, 2161045, 3457672, 4322090, 6915344, 8644180, 13830688, 17288360, 27661376, 34576720, 69153440, 138306880]

約数ペア:

[(1, 138306880), (2, 69153440), (4, 34576720), (5, 27661376), (8, 17288360), (10, 13830688), (16, 8644180), (20, 6915344), (32, 4322090), (40, 3457672), (64, 2161045), (79, 1750720), (80, 1728836), (158, 875360), (160, 864418), (316, 437680), (320, 432209), (395, 350144), (632, 218840), (790, 175072), (1264, 109420), (1580, 87536), (2528, 54710), (3160, 43768), (5056, 27355), (5471, 25280), (6320, 21884), (10942, 12640)]