80650180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 185939712

約数和(自身を除く): 105289532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 169, 214, 223, 260, 338, 428, 446, 535, 676, 845, 892, 1070, 1115, 1391, 1690, 2140, 2230, 2782, 2899, 3380, 4460, 5564, 5798, 6955, 11596, 13910, 14495, 18083, 23861, 27820, 28990, 36166, 37687, 47722, 57980, 72332, 75374, 90415, 95444, 119305, 150748, 180830, 188435, 238610, 310193, 361660, 376870, 477220, 620386, 753740, 1240772, 1550965, 3101930, 4032509, 6203860, 8065018, 16130036, 20162545, 40325090, 80650180]

約数ペア:

[(1, 80650180), (2, 40325090), (4, 20162545), (5, 16130036), (10, 8065018), (13, 6203860), (20, 4032509), (26, 3101930), (52, 1550965), (65, 1240772), (107, 753740), (130, 620386), (169, 477220), (214, 376870), (223, 361660), (260, 310193), (338, 238610), (428, 188435), (446, 180830), (535, 150748), (676, 119305), (845, 95444), (892, 90415), (1070, 75374), (1115, 72332), (1391, 57980), (1690, 47722), (2140, 37687), (2230, 36166), (2782, 28990), (2899, 27820), (3380, 23861), (4460, 18083), (5564, 14495), (5798, 13910), (6955, 11596)]