858436240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{65831}}^1$

素因数の和:66007

約数の個数: 40

約数和(自身を含む): 2008139328

約数和(自身を除く): 1149703088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 65831, 131662, 263324, 329155, 526648, 658310, 1053296, 1316620, 2633240, 5266480, 10730453, 21460906, 42921812, 53652265, 85843624, 107304530, 171687248, 214609060, 429218120, 858436240]

約数ペア:

[(1, 858436240), (2, 429218120), (4, 214609060), (5, 171687248), (8, 107304530), (10, 85843624), (16, 53652265), (20, 42921812), (40, 21460906), (80, 10730453), (163, 5266480), (326, 2633240), (652, 1316620), (815, 1053296), (1304, 658310), (1630, 526648), (2608, 329155), (3260, 263324), (6520, 131662), (13040, 65831)]