11899880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4877}}^1$

素因数の和:4949

約数の個数: 32

約数和(自身を含む): 27219240

約数和(自身を除く): 15319360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4877, 9754, 19508, 24385, 39016, 48770, 97540, 195080, 297497, 594994, 1189988, 1487485, 2379976, 2974970, 5949940, 11899880]

約数ペア:

[(1, 11899880), (2, 5949940), (4, 2974970), (5, 2379976), (8, 1487485), (10, 1189988), (20, 594994), (40, 297497), (61, 195080), (122, 97540), (244, 48770), (305, 39016), (488, 24385), (610, 19508), (1220, 9754), (2440, 4877)]