2009006960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{7001}}^1$

素因数の和:7242

約数の個数: 80

約数和(自身を含む): 4969851552

約数和(自身を除く): 2960844592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 340, 422, 680, 844, 1055, 1360, 1688, 2110, 3376, 3587, 4220, 7001, 7174, 8440, 14002, 14348, 16880, 17935, 28004, 28696, 35005, 35870, 56008, 57392, 70010, 71740, 112016, 119017, 140020, 143480, 238034, 280040, 286960, 476068, 560080, 595085, 952136, 1190170, 1477211, 1904272, 2380340, 2954422, 4760680, 5908844, 7386055, 9521360, 11817688, 14772110, 23635376, 25112587, 29544220, 50225174, 59088440, 100450348, 118176880, 125562935, 200900696, 251125870, 401801392, 502251740, 1004503480, 2009006960]

約数ペア:

[(1, 2009006960), (2, 1004503480), (4, 502251740), (5, 401801392), (8, 251125870), (10, 200900696), (16, 125562935), (17, 118176880), (20, 100450348), (34, 59088440), (40, 50225174), (68, 29544220), (80, 25112587), (85, 23635376), (136, 14772110), (170, 11817688), (211, 9521360), (272, 7386055), (340, 5908844), (422, 4760680), (680, 2954422), (844, 2380340), (1055, 1904272), (1360, 1477211), (1688, 1190170), (2110, 952136), (3376, 595085), (3587, 560080), (4220, 476068), (7001, 286960), (7174, 280040), (8440, 238034), (14002, 143480), (14348, 140020), (16880, 119017), (17935, 112016), (28004, 71740), (28696, 70010), (35005, 57392), (35870, 56008)]