79766920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4973}}^1$

素因数の和:5385

約数の個数: 32

約数和(自身を含む): 179959320

約数和(自身を除く): 100192400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4973, 8020, 9946, 16040, 19892, 24865, 39784, 49730, 99460, 198920, 1994173, 3988346, 7976692, 9970865, 15953384, 19941730, 39883460, 79766920]

約数ペア:

[(1, 79766920), (2, 39883460), (4, 19941730), (5, 15953384), (8, 9970865), (10, 7976692), (20, 3988346), (40, 1994173), (401, 198920), (802, 99460), (1604, 49730), (2005, 39784), (3208, 24865), (4010, 19892), (4973, 16040), (8020, 9946)]