30805960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5879}}^1$

素因数の和:6021

約数の個数: 32

約数和(自身を含む): 69854400

約数和(自身を除く): 39048440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5879, 11758, 23516, 29395, 47032, 58790, 117580, 235160, 770149, 1540298, 3080596, 3850745, 6161192, 7701490, 15402980, 30805960]

約数ペア:

[(1, 30805960), (2, 15402980), (4, 7701490), (5, 6161192), (8, 3850745), (10, 3080596), (20, 1540298), (40, 770149), (131, 235160), (262, 117580), (524, 58790), (655, 47032), (1048, 29395), (1310, 23516), (2620, 11758), (5240, 5879)]