56440410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144719}}^1$

素因数の和:144742

約数の個数: 32

約数和(自身を含む): 145877760

約数和(自身を除く): 89437350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 144719, 289438, 434157, 723595, 868314, 1447190, 1881347, 2170785, 3762694, 4341570, 5644041, 9406735, 11288082, 18813470, 28220205, 56440410]

約数ペア:

[(1, 56440410), (2, 28220205), (3, 18813470), (5, 11288082), (6, 9406735), (10, 5644041), (13, 4341570), (15, 3762694), (26, 2170785), (30, 1881347), (39, 1447190), (65, 868314), (78, 723595), (130, 434157), (195, 289438), (390, 144719)]