86354920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 112710680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 191, 254, 356, 382, 445, 508, 635, 712, 764, 890, 955, 1016, 1270, 1528, 1780, 1910, 2540, 3560, 3820, 5080, 7640, 11303, 16999, 22606, 24257, 33998, 45212, 48514, 56515, 67996, 84995, 90424, 97028, 113030, 121285, 135992, 169990, 194056, 226060, 242570, 339980, 452120, 485140, 679960, 970280, 2158873, 4317746, 8635492, 10794365, 17270984, 21588730, 43177460, 86354920]

約数ペア:

[(1, 86354920), (2, 43177460), (4, 21588730), (5, 17270984), (8, 10794365), (10, 8635492), (20, 4317746), (40, 2158873), (89, 970280), (127, 679960), (178, 485140), (191, 452120), (254, 339980), (356, 242570), (382, 226060), (445, 194056), (508, 169990), (635, 135992), (712, 121285), (764, 113030), (890, 97028), (955, 90424), (1016, 84995), (1270, 67996), (1528, 56515), (1780, 48514), (1910, 45212), (2540, 33998), (3560, 24257), (3820, 22606), (5080, 16999), (7640, 11303)]