80443160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287297}}^1$

素因数の和:287315

約数の個数: 32

約数和(自身を含む): 206854560

約数和(自身を除く): 126411400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287297, 574594, 1149188, 1436485, 2011079, 2298376, 2872970, 4022158, 5745940, 8044316, 10055395, 11491880, 16088632, 20110790, 40221580, 80443160]

約数ペア:

[(1, 80443160), (2, 40221580), (4, 20110790), (5, 16088632), (7, 11491880), (8, 10055395), (10, 8044316), (14, 5745940), (20, 4022158), (28, 2872970), (35, 2298376), (40, 2011079), (56, 1436485), (70, 1149188), (140, 574594), (280, 287297)]