2507560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 6350400

約数和(自身を除く): 3842840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 139, 164, 205, 220, 278, 328, 410, 440, 451, 556, 695, 820, 902, 1112, 1390, 1529, 1640, 1804, 2255, 2780, 3058, 3608, 4510, 5560, 5699, 6116, 7645, 9020, 11398, 12232, 15290, 18040, 22796, 28495, 30580, 45592, 56990, 61160, 62689, 113980, 125378, 227960, 250756, 313445, 501512, 626890, 1253780, 2507560]

約数ペア:

[(1, 2507560), (2, 1253780), (4, 626890), (5, 501512), (8, 313445), (10, 250756), (11, 227960), (20, 125378), (22, 113980), (40, 62689), (41, 61160), (44, 56990), (55, 45592), (82, 30580), (88, 28495), (110, 22796), (139, 18040), (164, 15290), (205, 12232), (220, 11398), (278, 9020), (328, 7645), (410, 6116), (440, 5699), (451, 5560), (556, 4510), (695, 3608), (820, 3058), (902, 2780), (1112, 2255), (1390, 1804), (1529, 1640)]