127559920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83921}}^1$

素因数の和:83953

約数の個数: 40

約数和(自身を含む): 312189840

約数和(自身を除く): 184629920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 83921, 167842, 335684, 419605, 671368, 839210, 1342736, 1594499, 1678420, 3188998, 3356840, 6377996, 6713680, 7972495, 12755992, 15944990, 25511984, 31889980, 63779960, 127559920]

約数ペア:

[(1, 127559920), (2, 63779960), (4, 31889980), (5, 25511984), (8, 15944990), (10, 12755992), (16, 7972495), (19, 6713680), (20, 6377996), (38, 3356840), (40, 3188998), (76, 1678420), (80, 1594499), (95, 1342736), (152, 839210), (190, 671368), (304, 419605), (380, 335684), (760, 167842), (1520, 83921)]