90780040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1033}}^1$

素因数の和:1083

約数の個数: 64

約数和(自身を含む): 221482800

約数和(自身を除く): 130702760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1033, 1352, 1690, 2066, 2197, 3380, 4132, 4394, 5165, 6760, 8264, 8788, 10330, 10985, 13429, 17576, 20660, 21970, 26858, 41320, 43940, 53716, 67145, 87880, 107432, 134290, 174577, 268580, 349154, 537160, 698308, 872885, 1396616, 1745770, 2269501, 3491540, 4539002, 6983080, 9078004, 11347505, 18156008, 22695010, 45390020, 90780040]

約数ペア:

[(1, 90780040), (2, 45390020), (4, 22695010), (5, 18156008), (8, 11347505), (10, 9078004), (13, 6983080), (20, 4539002), (26, 3491540), (40, 2269501), (52, 1745770), (65, 1396616), (104, 872885), (130, 698308), (169, 537160), (260, 349154), (338, 268580), (520, 174577), (676, 134290), (845, 107432), (1033, 87880), (1352, 67145), (1690, 53716), (2066, 43940), (2197, 41320), (3380, 26858), (4132, 21970), (4394, 20660), (5165, 17576), (6760, 13429), (8264, 10985), (8788, 10330)]