2080340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 2576620

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 59, 82, 86, 118, 164, 172, 205, 215, 236, 295, 410, 430, 590, 820, 860, 1180, 1763, 2419, 2537, 3526, 4838, 5074, 7052, 8815, 9676, 10148, 12095, 12685, 17630, 24190, 25370, 35260, 48380, 50740, 104017, 208034, 416068, 520085, 1040170, 2080340]

約数ペア:

[(1, 2080340), (2, 1040170), (4, 520085), (5, 416068), (10, 208034), (20, 104017), (41, 50740), (43, 48380), (59, 35260), (82, 25370), (86, 24190), (118, 17630), (164, 12685), (172, 12095), (205, 10148), (215, 9676), (236, 8815), (295, 7052), (410, 5074), (430, 4838), (590, 3526), (820, 2537), (860, 2419), (1180, 1763)]