815225090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{4177}}^1$

素因数の和:4886

約数の個数: 32

約数和(自身を含む): 1520624880

約数和(自身を除く): 705399790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 673, 1346, 3365, 4177, 6730, 8354, 19517, 20885, 39034, 41770, 97585, 121133, 195170, 242266, 605665, 1211330, 2811121, 5622242, 14055605, 28111210, 81522509, 163045018, 407612545, 815225090]

約数ペア:

[(1, 815225090), (2, 407612545), (5, 163045018), (10, 81522509), (29, 28111210), (58, 14055605), (145, 5622242), (290, 2811121), (673, 1211330), (1346, 605665), (3365, 242266), (4177, 195170), (6730, 121133), (8354, 97585), (19517, 41770), (20885, 39034)]