1649520560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 3903178752

約数和(自身を除く): 2253658192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 131, 214, 262, 428, 524, 535, 655, 856, 1048, 1070, 1310, 1471, 1712, 2096, 2140, 2620, 2942, 4280, 5240, 5884, 7355, 8560, 10480, 11768, 14017, 14710, 23536, 28034, 29420, 56068, 58840, 70085, 112136, 117680, 140170, 157397, 192701, 224272, 280340, 314794, 385402, 560680, 629588, 770804, 786985, 963505, 1121360, 1259176, 1541608, 1573970, 1927010, 2518352, 3083216, 3147940, 3854020, 6295880, 7708040, 12591760, 15416080, 20619007, 41238014, 82476028, 103095035, 164952056, 206190070, 329904112, 412380140, 824760280, 1649520560]

約数ペア:

[(1, 1649520560), (2, 824760280), (4, 412380140), (5, 329904112), (8, 206190070), (10, 164952056), (16, 103095035), (20, 82476028), (40, 41238014), (80, 20619007), (107, 15416080), (131, 12591760), (214, 7708040), (262, 6295880), (428, 3854020), (524, 3147940), (535, 3083216), (655, 2518352), (856, 1927010), (1048, 1573970), (1070, 1541608), (1310, 1259176), (1471, 1121360), (1712, 963505), (2096, 786985), (2140, 770804), (2620, 629588), (2942, 560680), (4280, 385402), (5240, 314794), (5884, 280340), (7355, 224272), (8560, 192701), (10480, 157397), (11768, 140170), (14017, 117680), (14710, 112136), (23536, 70085), (28034, 58840), (29420, 56068)]