77420725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 101556000

約数和(自身を除く): 24135275

約数列:

[1, 5, 19, 25, 95, 389, 419, 475, 1945, 2095, 7391, 7961, 9725, 10475, 36955, 39805, 162991, 184775, 199025, 814955, 3096829, 4074775, 15484145, 77420725]

約数ペア:

[(1, 77420725), (5, 15484145), (19, 4074775), (25, 3096829), (95, 814955), (389, 199025), (419, 184775), (475, 162991), (1945, 39805), (2095, 36955), (7391, 10475), (7961, 9725)]