128116040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{569}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 311698800

約数和(自身を除く): 183582760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 433, 520, 569, 866, 1138, 1732, 2165, 2276, 2845, 3464, 4330, 4552, 5629, 5690, 7397, 8660, 11258, 11380, 14794, 17320, 22516, 22760, 28145, 29588, 36985, 45032, 56290, 59176, 73970, 112580, 147940, 225160, 246377, 295880, 492754, 985508, 1231885, 1971016, 2463770, 3202901, 4927540, 6405802, 9855080, 12811604, 16014505, 25623208, 32029010, 64058020, 128116040]

約数ペア:

[(1, 128116040), (2, 64058020), (4, 32029010), (5, 25623208), (8, 16014505), (10, 12811604), (13, 9855080), (20, 6405802), (26, 4927540), (40, 3202901), (52, 2463770), (65, 1971016), (104, 1231885), (130, 985508), (260, 492754), (433, 295880), (520, 246377), (569, 225160), (866, 147940), (1138, 112580), (1732, 73970), (2165, 59176), (2276, 56290), (2845, 45032), (3464, 36985), (4330, 29588), (4552, 28145), (5629, 22760), (5690, 22516), (7397, 17320), (8660, 14794), (11258, 11380)]