81846440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 200309760

約数和(自身を除く): 118463320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 1471, 2140, 2782, 2942, 4280, 5564, 5884, 6955, 7355, 11128, 11768, 13910, 14710, 19123, 27820, 29420, 38246, 55640, 58840, 76492, 95615, 152984, 157397, 191230, 314794, 382460, 629588, 764920, 786985, 1259176, 1573970, 2046161, 3147940, 4092322, 6295880, 8184644, 10230805, 16369288, 20461610, 40923220, 81846440]

約数ペア:

[(1, 81846440), (2, 40923220), (4, 20461610), (5, 16369288), (8, 10230805), (10, 8184644), (13, 6295880), (20, 4092322), (26, 3147940), (40, 2046161), (52, 1573970), (65, 1259176), (104, 786985), (107, 764920), (130, 629588), (214, 382460), (260, 314794), (428, 191230), (520, 157397), (535, 152984), (856, 95615), (1070, 76492), (1391, 58840), (1471, 55640), (2140, 38246), (2782, 29420), (2942, 27820), (4280, 19123), (5564, 14710), (5884, 13910), (6955, 11768), (7355, 11128)]