26439760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19441}}^1$

素因数の和:19471

約数の個数: 40

約数和(自身を含む): 65091816

約数和(自身を除く): 38652056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19441, 38882, 77764, 97205, 155528, 194410, 311056, 330497, 388820, 660994, 777640, 1321988, 1555280, 1652485, 2643976, 3304970, 5287952, 6609940, 13219880, 26439760]

約数ペア:

[(1, 26439760), (2, 13219880), (4, 6609940), (5, 5287952), (8, 3304970), (10, 2643976), (16, 1652485), (17, 1555280), (20, 1321988), (34, 777640), (40, 660994), (68, 388820), (80, 330497), (85, 311056), (136, 194410), (170, 155528), (272, 97205), (340, 77764), (680, 38882), (1360, 19441)]