131685920

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^2\times {\mathrm{293}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 318170916

約数和(自身を除く): 186484996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 293, 424, 530, 586, 848, 1060, 1172, 1465, 1696, 2120, 2344, 2809, 2930, 4240, 4688, 5618, 5860, 8480, 9376, 11236, 11720, 14045, 15529, 22472, 23440, 28090, 31058, 44944, 46880, 56180, 62116, 77645, 89888, 112360, 124232, 155290, 224720, 248464, 310580, 449440, 496928, 621160, 823037, 1242320, 1646074, 2484640, 3292148, 4115185, 6584296, 8230370, 13168592, 16460740, 26337184, 32921480, 65842960, 131685920]

約数ペア:

[(1, 131685920), (2, 65842960), (4, 32921480), (5, 26337184), (8, 16460740), (10, 13168592), (16, 8230370), (20, 6584296), (32, 4115185), (40, 3292148), (53, 2484640), (80, 1646074), (106, 1242320), (160, 823037), (212, 621160), (265, 496928), (293, 449440), (424, 310580), (530, 248464), (586, 224720), (848, 155290), (1060, 124232), (1172, 112360), (1465, 89888), (1696, 77645), (2120, 62116), (2344, 56180), (2809, 46880), (2930, 44944), (4240, 31058), (4688, 28090), (5618, 23440), (5860, 22472), (8480, 15529), (9376, 14045), (11236, 11720)]