40193920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4831}}^1$

素因数の和:4863

約数の個数: 64

約数和(自身を含む): 103501440

約数和(自身を除く): 63307520

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, 520, 640, 832, 1040, 1664, 2080, 4160, 4831, 8320, 9662, 19324, 24155, 38648, 48310, 62803, 77296, 96620, 125606, 154592, 193240, 251212, 309184, 314015, 386480, 502424, 618368, 628030, 772960, 1004848, 1256060, 1545920, 2009696, 2512120, 3091840, 4019392, 5024240, 8038784, 10048480, 20096960, 40193920]

約数ペア:

[(1, 40193920), (2, 20096960), (4, 10048480), (5, 8038784), (8, 5024240), (10, 4019392), (13, 3091840), (16, 2512120), (20, 2009696), (26, 1545920), (32, 1256060), (40, 1004848), (52, 772960), (64, 628030), (65, 618368), (80, 502424), (104, 386480), (128, 314015), (130, 309184), (160, 251212), (208, 193240), (260, 154592), (320, 125606), (416, 96620), (520, 77296), (640, 62803), (832, 48310), (1040, 38648), (1664, 24155), (2080, 19324), (4160, 9662), (4831, 8320)]