12851860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 31610880

約数和(自身を除く): 18759020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2239, 2870, 4478, 5740, 8956, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 91799, 156730, 183598, 313460, 367196, 458995, 642593, 917990, 1285186, 1835980, 2570372, 3212965, 6425930, 12851860]

約数ペア:

[(1, 12851860), (2, 6425930), (4, 3212965), (5, 2570372), (7, 1835980), (10, 1285186), (14, 917990), (20, 642593), (28, 458995), (35, 367196), (41, 313460), (70, 183598), (82, 156730), (140, 91799), (164, 78365), (205, 62692), (287, 44780), (410, 31346), (574, 22390), (820, 15673), (1148, 11195), (1435, 8956), (2239, 5740), (2870, 4478)]