13220520020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1\times {\mathrm{27961}}^1$

素因数の和:28520

約数の個数: 48

約数和(自身を含む): 28411181568

約数和(自身を除く): 15190661548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 503, 940, 1006, 2012, 2515, 5030, 10060, 23641, 27961, 47282, 55922, 94564, 111844, 118205, 139805, 236410, 279610, 472820, 559220, 1314167, 2628334, 5256668, 6570835, 13141670, 14064383, 26283340, 28128766, 56257532, 70321915, 140643830, 281287660, 661026001, 1322052002, 2644104004, 3305130005, 6610260010, 13220520020]

約数ペア:

[(1, 13220520020), (2, 6610260010), (4, 3305130005), (5, 2644104004), (10, 1322052002), (20, 661026001), (47, 281287660), (94, 140643830), (188, 70321915), (235, 56257532), (470, 28128766), (503, 26283340), (940, 14064383), (1006, 13141670), (2012, 6570835), (2515, 5256668), (5030, 2628334), (10060, 1314167), (23641, 559220), (27961, 472820), (47282, 279610), (55922, 236410), (94564, 139805), (111844, 118205)]