2017568120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{1951}}^1$

素因数の和:2316

約数の個数: 64

約数和(自身を含む): 4604221440

約数和(自身を除く): 2586653320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 251, 412, 502, 515, 824, 1004, 1030, 1255, 1951, 2008, 2060, 2510, 3902, 4120, 5020, 7804, 9755, 10040, 15608, 19510, 25853, 39020, 51706, 78040, 103412, 129265, 200953, 206824, 258530, 401906, 489701, 517060, 803812, 979402, 1004765, 1034120, 1607624, 1958804, 2009530, 2448505, 3917608, 4019060, 4897010, 8038120, 9794020, 19588040, 50439203, 100878406, 201756812, 252196015, 403513624, 504392030, 1008784060, 2017568120]

約数ペア:

[(1, 2017568120), (2, 1008784060), (4, 504392030), (5, 403513624), (8, 252196015), (10, 201756812), (20, 100878406), (40, 50439203), (103, 19588040), (206, 9794020), (251, 8038120), (412, 4897010), (502, 4019060), (515, 3917608), (824, 2448505), (1004, 2009530), (1030, 1958804), (1255, 1607624), (1951, 1034120), (2008, 1004765), (2060, 979402), (2510, 803812), (3902, 517060), (4120, 489701), (5020, 401906), (7804, 258530), (9755, 206824), (10040, 200953), (15608, 129265), (19510, 103412), (25853, 78040), (39020, 51706)]