8739560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 20423340

約数和(自身を除く): 11683780

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 584, 730, 820, 1460, 1640, 2920, 2993, 5329, 5986, 10658, 11972, 14965, 21316, 23944, 26645, 29930, 42632, 53290, 59860, 106580, 119720, 213160, 218489, 436978, 873956, 1092445, 1747912, 2184890, 4369780, 8739560]

約数ペア:

[(1, 8739560), (2, 4369780), (4, 2184890), (5, 1747912), (8, 1092445), (10, 873956), (20, 436978), (40, 218489), (41, 213160), (73, 119720), (82, 106580), (146, 59860), (164, 53290), (205, 42632), (292, 29930), (328, 26645), (365, 23944), (410, 21316), (584, 14965), (730, 11972), (820, 10658), (1460, 5986), (1640, 5329), (2920, 2993)]