15697580180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12866869}}^1$

素因数の和:12866939

約数の個数: 24

約数和(自身を含む): 33505329480

約数和(自身を除く): 17807749300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12866869, 25733738, 51467476, 64334345, 128668690, 257337380, 784879009, 1569758018, 3139516036, 3924395045, 7848790090, 15697580180]

約数ペア:

[(1, 15697580180), (2, 7848790090), (4, 3924395045), (5, 3139516036), (10, 1569758018), (20, 784879009), (61, 257337380), (122, 128668690), (244, 64334345), (305, 51467476), (610, 25733738), (1220, 12866869)]