42795320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 99792000

約数和(自身を除く): 56996680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 179, 215, 278, 344, 358, 430, 556, 695, 716, 860, 895, 1112, 1390, 1432, 1720, 1790, 2780, 3580, 5560, 5977, 7160, 7697, 11954, 15394, 23908, 24881, 29885, 30788, 38485, 47816, 49762, 59770, 61576, 76970, 99524, 119540, 124405, 153940, 199048, 239080, 248810, 307880, 497620, 995240, 1069883, 2139766, 4279532, 5349415, 8559064, 10698830, 21397660, 42795320]

約数ペア:

[(1, 42795320), (2, 21397660), (4, 10698830), (5, 8559064), (8, 5349415), (10, 4279532), (20, 2139766), (40, 1069883), (43, 995240), (86, 497620), (139, 307880), (172, 248810), (179, 239080), (215, 199048), (278, 153940), (344, 124405), (358, 119540), (430, 99524), (556, 76970), (695, 61576), (716, 59770), (860, 49762), (895, 47816), (1112, 38485), (1390, 30788), (1432, 29885), (1720, 24881), (1790, 23908), (2780, 15394), (3580, 11954), (5560, 7697), (5977, 7160)]