31169920

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 75349440

約数和(自身を除く): 44179520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 431, 452, 565, 640, 862, 904, 1130, 1724, 1808, 2155, 2260, 3448, 3616, 4310, 4520, 6896, 7232, 8620, 9040, 13792, 14464, 17240, 18080, 27584, 34480, 36160, 48703, 55168, 68960, 72320, 97406, 137920, 194812, 243515, 275840, 389624, 487030, 779248, 974060, 1558496, 1948120, 3116992, 3896240, 6233984, 7792480, 15584960, 31169920]

約数ペア:

[(1, 31169920), (2, 15584960), (4, 7792480), (5, 6233984), (8, 3896240), (10, 3116992), (16, 1948120), (20, 1558496), (32, 974060), (40, 779248), (64, 487030), (80, 389624), (113, 275840), (128, 243515), (160, 194812), (226, 137920), (320, 97406), (431, 72320), (452, 68960), (565, 55168), (640, 48703), (862, 36160), (904, 34480), (1130, 27584), (1724, 18080), (1808, 17240), (2155, 14464), (2260, 13792), (3448, 9040), (3616, 8620), (4310, 7232), (4520, 6896)]