40902160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 104118336

約数和(自身を除く): 63216176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 587, 670, 871, 1040, 1072, 1174, 1340, 1742, 2348, 2680, 2935, 3484, 4355, 4696, 5360, 5870, 6968, 7631, 8710, 9392, 11740, 13936, 15262, 17420, 23480, 30524, 34840, 38155, 39329, 46960, 61048, 69680, 76310, 78658, 122096, 152620, 157316, 196645, 305240, 314632, 393290, 511277, 610480, 629264, 786580, 1022554, 1573160, 2045108, 2556385, 3146320, 4090216, 5112770, 8180432, 10225540, 20451080, 40902160]

約数ペア:

[(1, 40902160), (2, 20451080), (4, 10225540), (5, 8180432), (8, 5112770), (10, 4090216), (13, 3146320), (16, 2556385), (20, 2045108), (26, 1573160), (40, 1022554), (52, 786580), (65, 629264), (67, 610480), (80, 511277), (104, 393290), (130, 314632), (134, 305240), (208, 196645), (260, 157316), (268, 152620), (335, 122096), (520, 78658), (536, 76310), (587, 69680), (670, 61048), (871, 46960), (1040, 39329), (1072, 38155), (1174, 34840), (1340, 30524), (1742, 23480), (2348, 17420), (2680, 15262), (2935, 13936), (3484, 11740), (4355, 9392), (4696, 8710), (5360, 7631), (5870, 6968)]