77489240

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4831}}^1$

素因数の和:5243

約数の個数: 32

約数和(自身を含む): 174821760

約数和(自身を除く): 97332520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4831, 8020, 9662, 16040, 19324, 24155, 38648, 48310, 96620, 193240, 1937231, 3874462, 7748924, 9686155, 15497848, 19372310, 38744620, 77489240]

約数ペア:

[(1, 77489240), (2, 38744620), (4, 19372310), (5, 15497848), (8, 9686155), (10, 7748924), (20, 3874462), (40, 1937231), (401, 193240), (802, 96620), (1604, 48310), (2005, 38648), (3208, 24155), (4010, 19324), (4831, 16040), (8020, 9662)]