28025920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6737}}^1$

素因数の和:6767

約数の個数: 56

約数和(自身を含む): 71880984

約数和(自身を除く): 43855064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 6737, 13474, 26948, 33685, 53896, 67370, 87581, 107792, 134740, 175162, 215584, 269480, 350324, 431168, 437905, 538960, 700648, 875810, 1077920, 1401296, 1751620, 2155840, 2802592, 3503240, 5605184, 7006480, 14012960, 28025920]

約数ペア:

[(1, 28025920), (2, 14012960), (4, 7006480), (5, 5605184), (8, 3503240), (10, 2802592), (13, 2155840), (16, 1751620), (20, 1401296), (26, 1077920), (32, 875810), (40, 700648), (52, 538960), (64, 437905), (65, 431168), (80, 350324), (104, 269480), (130, 215584), (160, 175162), (208, 134740), (260, 107792), (320, 87581), (416, 67370), (520, 53896), (832, 33685), (1040, 26948), (2080, 13474), (4160, 6737)]