74960440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11497}}^1$

素因数の和:11671

約数の個数: 32

約数和(自身を含む): 169710480

約数和(自身を除く): 94750040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11497, 22994, 45988, 57485, 91976, 114970, 229940, 459880, 1874011, 3748022, 7496044, 9370055, 14992088, 18740110, 37480220, 74960440]

約数ペア:

[(1, 74960440), (2, 37480220), (4, 18740110), (5, 14992088), (8, 9370055), (10, 7496044), (20, 3748022), (40, 1874011), (163, 459880), (326, 229940), (652, 114970), (815, 91976), (1304, 57485), (1630, 45988), (3260, 22994), (6520, 11497)]