31583680

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 75712320

約数和(自身を除く): 44128640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 431, 458, 862, 916, 1145, 1724, 1832, 2155, 2290, 3448, 3664, 4310, 4580, 6896, 7328, 8620, 9160, 13792, 14656, 17240, 18320, 27584, 34480, 36640, 68960, 73280, 98699, 137920, 197398, 394796, 493495, 789592, 986990, 1579184, 1973980, 3158368, 3947960, 6316736, 7895920, 15791840, 31583680]

約数ペア:

[(1, 31583680), (2, 15791840), (4, 7895920), (5, 6316736), (8, 3947960), (10, 3158368), (16, 1973980), (20, 1579184), (32, 986990), (40, 789592), (64, 493495), (80, 394796), (160, 197398), (229, 137920), (320, 98699), (431, 73280), (458, 68960), (862, 36640), (916, 34480), (1145, 27584), (1724, 18320), (1832, 17240), (2155, 14656), (2290, 13792), (3448, 9160), (3664, 8620), (4310, 7328), (4580, 6896)]