127971040

素因数分解:

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

素因数の和:8035

約数の個数: 48

約数和(自身を含む): 305363520

約数和(自身を除く): 177392480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 7919, 8080, 15838, 16160, 31676, 39595, 63352, 79190, 126704, 158380, 253408, 316760, 633520, 799819, 1267040, 1599638, 3199276, 3999095, 6398552, 7998190, 12797104, 15996380, 25594208, 31992760, 63985520, 127971040]

約数ペア:

[(1, 127971040), (2, 63985520), (4, 31992760), (5, 25594208), (8, 15996380), (10, 12797104), (16, 7998190), (20, 6398552), (32, 3999095), (40, 3199276), (80, 1599638), (101, 1267040), (160, 799819), (202, 633520), (404, 316760), (505, 253408), (808, 158380), (1010, 126704), (1616, 79190), (2020, 63352), (3232, 39595), (4040, 31676), (7919, 16160), (8080, 15838)]