166337680

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3359}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 387475200

約数和(自身を除く): 221137520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 3359, 4952, 6190, 6718, 9904, 12380, 13436, 16795, 24760, 26872, 33590, 49520, 53744, 67180, 134360, 268720, 2079221, 4158442, 8316884, 10396105, 16633768, 20792210, 33267536, 41584420, 83168840, 166337680]

約数ペア:

[(1, 166337680), (2, 83168840), (4, 41584420), (5, 33267536), (8, 20792210), (10, 16633768), (16, 10396105), (20, 8316884), (40, 4158442), (80, 2079221), (619, 268720), (1238, 134360), (2476, 67180), (3095, 53744), (3359, 49520), (4952, 33590), (6190, 26872), (6718, 24760), (9904, 16795), (12380, 13436)]