8103680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 20946912

約数和(自身を除く): 12843232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 487, 520, 640, 832, 974, 1040, 1280, 1664, 1948, 2080, 2435, 3328, 3896, 4160, 4870, 6331, 7792, 8320, 9740, 12662, 15584, 16640, 19480, 25324, 31168, 31655, 38960, 50648, 62336, 63310, 77920, 101296, 124672, 126620, 155840, 202592, 253240, 311680, 405184, 506480, 623360, 810368, 1012960, 1620736, 2025920, 4051840, 8103680]

約数ペア:

[(1, 8103680), (2, 4051840), (4, 2025920), (5, 1620736), (8, 1012960), (10, 810368), (13, 623360), (16, 506480), (20, 405184), (26, 311680), (32, 253240), (40, 202592), (52, 155840), (64, 126620), (65, 124672), (80, 101296), (104, 77920), (128, 63310), (130, 62336), (160, 50648), (208, 38960), (256, 31655), (260, 31168), (320, 25324), (416, 19480), (487, 16640), (520, 15584), (640, 12662), (832, 9740), (974, 8320), (1040, 7792), (1280, 6331), (1664, 4870), (1948, 4160), (2080, 3896), (2435, 3328)]