39863680

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 96084000

約数和(自身を除く): 56220320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 313, 320, 398, 626, 640, 796, 995, 1252, 1565, 1592, 1990, 2504, 3130, 3184, 3980, 5008, 6260, 6368, 7960, 10016, 12520, 12736, 15920, 20032, 25040, 25472, 31840, 40064, 50080, 62287, 63680, 100160, 124574, 127360, 200320, 249148, 311435, 498296, 622870, 996592, 1245740, 1993184, 2491480, 3986368, 4982960, 7972736, 9965920, 19931840, 39863680]

約数ペア:

[(1, 39863680), (2, 19931840), (4, 9965920), (5, 7972736), (8, 4982960), (10, 3986368), (16, 2491480), (20, 1993184), (32, 1245740), (40, 996592), (64, 622870), (80, 498296), (128, 311435), (160, 249148), (199, 200320), (313, 127360), (320, 124574), (398, 100160), (626, 63680), (640, 62287), (796, 50080), (995, 40064), (1252, 31840), (1565, 25472), (1592, 25040), (1990, 20032), (2504, 15920), (3130, 12736), (3184, 12520), (3980, 10016), (5008, 7960), (6260, 6368)]