220687520

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9923}}^1$

素因数の和:10077

約数の個数: 48

約数和(自身を含む): 525178080

約数和(自身を除く): 304490560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 9923, 11120, 19846, 22240, 39692, 49615, 79384, 99230, 158768, 198460, 317536, 396920, 793840, 1379297, 1587680, 2758594, 5517188, 6896485, 11034376, 13792970, 22068752, 27585940, 44137504, 55171880, 110343760, 220687520]

約数ペア:

[(1, 220687520), (2, 110343760), (4, 55171880), (5, 44137504), (8, 27585940), (10, 22068752), (16, 13792970), (20, 11034376), (32, 6896485), (40, 5517188), (80, 2758594), (139, 1587680), (160, 1379297), (278, 793840), (556, 396920), (695, 317536), (1112, 198460), (1390, 158768), (2224, 99230), (2780, 79384), (4448, 49615), (5560, 39692), (9923, 22240), (11120, 19846)]