31294040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1951}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 70623360

約数和(自身を除く): 39329320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 1951, 2005, 3208, 3902, 4010, 7804, 8020, 9755, 15608, 16040, 19510, 39020, 78040, 782351, 1564702, 3129404, 3911755, 6258808, 7823510, 15647020, 31294040]

約数ペア:

[(1, 31294040), (2, 15647020), (4, 7823510), (5, 6258808), (8, 3911755), (10, 3129404), (20, 1564702), (40, 782351), (401, 78040), (802, 39020), (1604, 19510), (1951, 16040), (2005, 15608), (3208, 9755), (3902, 8020), (4010, 7804)]