80948960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21997}}^1$

素因数の和:22035

約数の個数: 48

約数和(自身を含む): 199565856

約数和(自身を除く): 118616896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21997, 43994, 87988, 109985, 175976, 219970, 351952, 439940, 505931, 703904, 879880, 1011862, 1759760, 2023724, 2529655, 3519520, 4047448, 5059310, 8094896, 10118620, 16189792, 20237240, 40474480, 80948960]

約数ペア:

[(1, 80948960), (2, 40474480), (4, 20237240), (5, 16189792), (8, 10118620), (10, 8094896), (16, 5059310), (20, 4047448), (23, 3519520), (32, 2529655), (40, 2023724), (46, 1759760), (80, 1011862), (92, 879880), (115, 703904), (160, 505931), (184, 439940), (230, 351952), (368, 219970), (460, 175976), (736, 109985), (920, 87988), (1840, 43994), (3680, 21997)]