265755880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{39313}}^1$

素因数の和:39350

約数の個数: 48

約数和(自身を含む): 647501580

約数和(自身を除く): 381745700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 39313, 78626, 157252, 196565, 314504, 393130, 511069, 786260, 1022138, 1572520, 2044276, 2555345, 4088552, 5110690, 6643897, 10221380, 13287794, 20442760, 26575588, 33219485, 53151176, 66438970, 132877940, 265755880]

約数ペア:

[(1, 265755880), (2, 132877940), (4, 66438970), (5, 53151176), (8, 33219485), (10, 26575588), (13, 20442760), (20, 13287794), (26, 10221380), (40, 6643897), (52, 5110690), (65, 4088552), (104, 2555345), (130, 2044276), (169, 1572520), (260, 1022138), (338, 786260), (520, 511069), (676, 393130), (845, 314504), (1352, 196565), (1690, 157252), (3380, 78626), (6760, 39313)]