15691921220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1\times {\mathrm{5449}}^1$

素因数の和:6888

約数の個数: 48

約数和(自身を含む): 33286638000

約数和(自身を除く): 17594716780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1321, 2180, 2642, 5284, 5449, 6605, 10898, 13210, 21796, 26420, 27245, 54490, 108980, 143989, 287978, 575956, 593941, 719945, 1187882, 1439890, 2375764, 2879780, 2969705, 5939410, 7198129, 11878820, 14396258, 28792516, 35990645, 71981290, 143962580, 784596061, 1569192122, 3138384244, 3922980305, 7845960610, 15691921220]

約数ペア:

[(1, 15691921220), (2, 7845960610), (4, 3922980305), (5, 3138384244), (10, 1569192122), (20, 784596061), (109, 143962580), (218, 71981290), (436, 35990645), (545, 28792516), (1090, 14396258), (1321, 11878820), (2180, 7198129), (2642, 5939410), (5284, 2969705), (5449, 2879780), (6605, 2375764), (10898, 1439890), (13210, 1187882), (21796, 719945), (26420, 593941), (27245, 575956), (54490, 287978), (108980, 143989)]