30171920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2879}}^1$

素因数の和:3023

約数の個数: 40

約数和(自身を含む): 70709760

約数和(自身を除く): 40537840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2879, 5240, 5758, 10480, 11516, 14395, 23032, 28790, 46064, 57580, 115160, 230320, 377149, 754298, 1508596, 1885745, 3017192, 3771490, 6034384, 7542980, 15085960, 30171920]

約数ペア:

[(1, 30171920), (2, 15085960), (4, 7542980), (5, 6034384), (8, 3771490), (10, 3017192), (16, 1885745), (20, 1508596), (40, 754298), (80, 377149), (131, 230320), (262, 115160), (524, 57580), (655, 46064), (1048, 28790), (1310, 23032), (2096, 14395), (2620, 11516), (2879, 10480), (5240, 5758)]