82681040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 209236608

約数和(自身を除く): 126555568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 743, 856, 1040, 1070, 1391, 1486, 1712, 2140, 2782, 2972, 3715, 4280, 5564, 5944, 6955, 7430, 8560, 9659, 11128, 11888, 13910, 14860, 19318, 22256, 27820, 29720, 38636, 48295, 55640, 59440, 77272, 79501, 96590, 111280, 154544, 159002, 193180, 318004, 386360, 397505, 636008, 772720, 795010, 1033513, 1272016, 1590020, 2067026, 3180040, 4134052, 5167565, 6360080, 8268104, 10335130, 16536208, 20670260, 41340520, 82681040]

約数ペア:

[(1, 82681040), (2, 41340520), (4, 20670260), (5, 16536208), (8, 10335130), (10, 8268104), (13, 6360080), (16, 5167565), (20, 4134052), (26, 3180040), (40, 2067026), (52, 1590020), (65, 1272016), (80, 1033513), (104, 795010), (107, 772720), (130, 636008), (208, 397505), (214, 386360), (260, 318004), (428, 193180), (520, 159002), (535, 154544), (743, 111280), (856, 96590), (1040, 79501), (1070, 77272), (1391, 59440), (1486, 55640), (1712, 48295), (2140, 38636), (2782, 29720), (2972, 27820), (3715, 22256), (4280, 19318), (5564, 14860), (5944, 13910), (6955, 11888), (7430, 11128), (8560, 9659)]