81951760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4049}}^1$

素因数の和:4096

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 134998640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 4049, 5060, 8098, 10120, 16196, 20240, 20245, 32392, 40490, 44539, 64784, 80980, 89078, 93127, 161960, 178156, 186254, 222695, 323920, 356312, 372508, 445390, 465635, 712624, 745016, 890780, 931270, 1024397, 1490032, 1781560, 1862540, 2048794, 3563120, 3725080, 4097588, 5121985, 7450160, 8195176, 10243970, 16390352, 20487940, 40975880, 81951760]

約数ペア:

[(1, 81951760), (2, 40975880), (4, 20487940), (5, 16390352), (8, 10243970), (10, 8195176), (11, 7450160), (16, 5121985), (20, 4097588), (22, 3725080), (23, 3563120), (40, 2048794), (44, 1862540), (46, 1781560), (55, 1490032), (80, 1024397), (88, 931270), (92, 890780), (110, 745016), (115, 712624), (176, 465635), (184, 445390), (220, 372508), (230, 356312), (253, 323920), (368, 222695), (440, 186254), (460, 178156), (506, 161960), (880, 93127), (920, 89078), (1012, 80980), (1265, 64784), (1840, 44539), (2024, 40490), (2530, 32392), (4048, 20245), (4049, 20240), (5060, 16196), (8098, 10120)]