91434920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 121454680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 439, 508, 635, 820, 878, 1016, 1270, 1640, 1756, 2195, 2540, 3512, 4390, 5080, 5207, 8780, 10414, 17560, 17999, 20828, 26035, 35998, 41656, 52070, 55753, 71996, 89995, 104140, 111506, 143992, 179990, 208280, 223012, 278765, 359980, 446024, 557530, 719960, 1115060, 2230120, 2285873, 4571746, 9143492, 11429365, 18286984, 22858730, 45717460, 91434920]

約数ペア:

[(1, 91434920), (2, 45717460), (4, 22858730), (5, 18286984), (8, 11429365), (10, 9143492), (20, 4571746), (40, 2285873), (41, 2230120), (82, 1115060), (127, 719960), (164, 557530), (205, 446024), (254, 359980), (328, 278765), (410, 223012), (439, 208280), (508, 179990), (635, 143992), (820, 111506), (878, 104140), (1016, 89995), (1270, 71996), (1640, 55753), (1756, 52070), (2195, 41656), (2540, 35998), (3512, 26035), (4390, 20828), (5080, 17999), (5207, 17560), (8780, 10414)]