40874890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 89936640

約数和(自身を除く): 49061750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 73, 95, 133, 146, 190, 266, 365, 421, 511, 665, 730, 842, 1022, 1330, 1387, 2105, 2555, 2774, 2947, 4210, 5110, 5894, 6935, 7999, 9709, 13870, 14735, 15998, 19418, 29470, 30733, 39995, 48545, 55993, 61466, 79990, 97090, 111986, 153665, 215131, 279965, 307330, 430262, 559930, 583927, 1075655, 1167854, 2151310, 2919635, 4087489, 5839270, 8174978, 20437445, 40874890]

約数ペア:

[(1, 40874890), (2, 20437445), (5, 8174978), (7, 5839270), (10, 4087489), (14, 2919635), (19, 2151310), (35, 1167854), (38, 1075655), (70, 583927), (73, 559930), (95, 430262), (133, 307330), (146, 279965), (190, 215131), (266, 153665), (365, 111986), (421, 97090), (511, 79990), (665, 61466), (730, 55993), (842, 48545), (1022, 39995), (1330, 30733), (1387, 29470), (2105, 19418), (2555, 15998), (2774, 14735), (2947, 13870), (4210, 9709), (5110, 7999), (5894, 6935)]