79851640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 196940160

約数和(自身を除く): 117088520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 347, 440, 523, 694, 1046, 1388, 1735, 2092, 2615, 2776, 3470, 3817, 4184, 5230, 5753, 6940, 7634, 10460, 11506, 13880, 15268, 19085, 20920, 23012, 28765, 30536, 38170, 46024, 57530, 76340, 115060, 152680, 181481, 230120, 362962, 725924, 907405, 1451848, 1814810, 1996291, 3629620, 3992582, 7259240, 7985164, 9981455, 15970328, 19962910, 39925820, 79851640]

約数ペア:

[(1, 79851640), (2, 39925820), (4, 19962910), (5, 15970328), (8, 9981455), (10, 7985164), (11, 7259240), (20, 3992582), (22, 3629620), (40, 1996291), (44, 1814810), (55, 1451848), (88, 907405), (110, 725924), (220, 362962), (347, 230120), (440, 181481), (523, 152680), (694, 115060), (1046, 76340), (1388, 57530), (1735, 46024), (2092, 38170), (2615, 30536), (2776, 28765), (3470, 23012), (3817, 20920), (4184, 19085), (5230, 15268), (5753, 13880), (6940, 11506), (7634, 10460)]