42072970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 78518160

約数和(自身を除く): 36445190

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 1153, 2306, 3649, 5765, 7298, 11530, 18245, 36490, 47273, 94546, 102617, 205234, 236365, 472730, 513085, 1026170, 4207297, 8414594, 21036485, 42072970]

約数ペア:

[(1, 42072970), (2, 21036485), (5, 8414594), (10, 4207297), (41, 1026170), (82, 513085), (89, 472730), (178, 236365), (205, 205234), (410, 102617), (445, 94546), (890, 47273), (1153, 36490), (2306, 18245), (3649, 11530), (5765, 7298)]