79642120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 108537080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 967, 1160, 1420, 1934, 2059, 2840, 3868, 4118, 4835, 7736, 8236, 9670, 10295, 16472, 19340, 20590, 28043, 38680, 41180, 56086, 68657, 82360, 112172, 137314, 140215, 224344, 274628, 280430, 343285, 549256, 560860, 686570, 1121720, 1373140, 1991053, 2746280, 3982106, 7964212, 9955265, 15928424, 19910530, 39821060, 79642120]

約数ペア:

[(1, 79642120), (2, 39821060), (4, 19910530), (5, 15928424), (8, 9955265), (10, 7964212), (20, 3982106), (29, 2746280), (40, 1991053), (58, 1373140), (71, 1121720), (116, 686570), (142, 560860), (145, 549256), (232, 343285), (284, 280430), (290, 274628), (355, 224344), (568, 140215), (580, 137314), (710, 112172), (967, 82360), (1160, 68657), (1420, 56086), (1934, 41180), (2059, 38680), (2840, 28043), (3868, 20590), (4118, 19340), (4835, 16472), (7736, 10295), (8236, 9670)]