888080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:683

約数の個数: 40

約数和(自身を含む): 2189592

約数和(自身を除く): 1301512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 653, 680, 1306, 1360, 2612, 3265, 5224, 6530, 10448, 11101, 13060, 22202, 26120, 44404, 52240, 55505, 88808, 111010, 177616, 222020, 444040, 888080]

約数ペア:

[(1, 888080), (2, 444040), (4, 222020), (5, 177616), (8, 111010), (10, 88808), (16, 55505), (17, 52240), (20, 44404), (34, 26120), (40, 22202), (68, 13060), (80, 11101), (85, 10448), (136, 6530), (170, 5224), (272, 3265), (340, 2612), (653, 1360), (680, 1306)]