13481260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 32104800

約数和(自身を除く): 18623540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2729, 4940, 5458, 10916, 13645, 27290, 35477, 51851, 54580, 70954, 103702, 141908, 177385, 207404, 259255, 354770, 518510, 674063, 709540, 1037020, 1348126, 2696252, 3370315, 6740630, 13481260]

約数ペア:

[(1, 13481260), (2, 6740630), (4, 3370315), (5, 2696252), (10, 1348126), (13, 1037020), (19, 709540), (20, 674063), (26, 518510), (38, 354770), (52, 259255), (65, 207404), (76, 177385), (95, 141908), (130, 103702), (190, 70954), (247, 54580), (260, 51851), (380, 35477), (494, 27290), (988, 13645), (1235, 10916), (2470, 5458), (2729, 4940)]