85613020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4751}}^1$

素因数の和:4830

約数の個数: 48

約数和(自身を含む): 193995648

約数和(自身を除く): 108382628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 4751, 9010, 9502, 18020, 19004, 23755, 47510, 80767, 95020, 161534, 251803, 323068, 403835, 503606, 807670, 1007212, 1259015, 1615340, 2518030, 4280651, 5036060, 8561302, 17122604, 21403255, 42806510, 85613020]

約数ペア:

[(1, 85613020), (2, 42806510), (4, 21403255), (5, 17122604), (10, 8561302), (17, 5036060), (20, 4280651), (34, 2518030), (53, 1615340), (68, 1259015), (85, 1007212), (106, 807670), (170, 503606), (212, 403835), (265, 323068), (340, 251803), (530, 161534), (901, 95020), (1060, 80767), (1802, 47510), (3604, 23755), (4505, 19004), (4751, 18020), (9010, 9502)]