145467880

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10987}}^1$

素因数の和:11329

約数の個数: 32

約数和(自身を含む): 328321440

約数和(自身を除く): 182853560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 10987, 13240, 21974, 43948, 54935, 87896, 109870, 219740, 439480, 3636697, 7273394, 14546788, 18183485, 29093576, 36366970, 72733940, 145467880]

約数ペア:

[(1, 145467880), (2, 72733940), (4, 36366970), (5, 29093576), (8, 18183485), (10, 14546788), (20, 7273394), (40, 3636697), (331, 439480), (662, 219740), (1324, 109870), (1655, 87896), (2648, 54935), (3310, 43948), (6620, 21974), (10987, 13240)]