11855560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7229}}^1$

素因数の和:7281

約数の個数: 32

約数和(自身を含む): 27329400

約数和(自身を除く): 15473840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7229, 14458, 28916, 36145, 57832, 72290, 144580, 289160, 296389, 592778, 1185556, 1481945, 2371112, 2963890, 5927780, 11855560]

約数ペア:

[(1, 11855560), (2, 5927780), (4, 2963890), (5, 2371112), (8, 1481945), (10, 1185556), (20, 592778), (40, 296389), (41, 289160), (82, 144580), (164, 72290), (205, 57832), (328, 36145), (410, 28916), (820, 14458), (1640, 7229)]