61879960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81421}}^1$

素因数の和:81451

約数の個数: 32

約数和(自身を含む): 146559600

約数和(自身を除く): 84679640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 81421, 162842, 325684, 407105, 651368, 814210, 1546999, 1628420, 3093998, 3256840, 6187996, 7734995, 12375992, 15469990, 30939980, 61879960]

約数ペア:

[(1, 61879960), (2, 30939980), (4, 15469990), (5, 12375992), (8, 7734995), (10, 6187996), (19, 3256840), (20, 3093998), (38, 1628420), (40, 1546999), (76, 814210), (95, 651368), (152, 407105), (190, 325684), (380, 162842), (760, 81421)]