30979880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40763}}^1$

素因数の和:40793

約数の個数: 32

約数和(自身を含む): 73375200

約数和(自身を除く): 42395320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40763, 81526, 163052, 203815, 326104, 407630, 774497, 815260, 1548994, 1630520, 3097988, 3872485, 6195976, 7744970, 15489940, 30979880]

約数ペア:

[(1, 30979880), (2, 15489940), (4, 7744970), (5, 6195976), (8, 3872485), (10, 3097988), (19, 1630520), (20, 1548994), (38, 815260), (40, 774497), (76, 407630), (95, 326104), (152, 203815), (190, 163052), (380, 81526), (760, 40763)]