61920440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9497}}^1$

素因数の和:9671

約数の個数: 32

約数和(自身を含む): 140190480

約数和(自身を除く): 78270040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 9497, 18994, 37988, 47485, 75976, 94970, 189940, 379880, 1548011, 3096022, 6192044, 7740055, 12384088, 15480110, 30960220, 61920440]

約数ペア:

[(1, 61920440), (2, 30960220), (4, 15480110), (5, 12384088), (8, 7740055), (10, 6192044), (20, 3096022), (40, 1548011), (163, 379880), (326, 189940), (652, 94970), (815, 75976), (1304, 47485), (1630, 37988), (3260, 18994), (6520, 9497)]