4051840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 10452960

約数和(自身を除く): 6401120

約数列:

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

約数ペア:

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