63985520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7919}}^1$

素因数の和:8033

約数の個数: 40

約数和(自身を含む): 150258240

約数和(自身を除く): 86272720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 7919, 8080, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 316760, 633520, 799819, 1599638, 3199276, 3999095, 6398552, 7998190, 12797104, 15996380, 31992760, 63985520]

約数ペア:

[(1, 63985520), (2, 31992760), (4, 15996380), (5, 12797104), (8, 7998190), (10, 6398552), (16, 3999095), (20, 3199276), (40, 1599638), (80, 799819), (101, 633520), (202, 316760), (404, 158380), (505, 126704), (808, 79190), (1010, 63352), (1616, 39595), (2020, 31676), (4040, 15838), (7919, 8080)]