79784360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48649}}^1$

素因数の和:48701

約数の個数: 32

約数和(自身を含む): 183897000

約数和(自身を除く): 104112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48649, 97298, 194596, 243245, 389192, 486490, 972980, 1945960, 1994609, 3989218, 7978436, 9973045, 15956872, 19946090, 39892180, 79784360]

約数ペア:

[(1, 79784360), (2, 39892180), (4, 19946090), (5, 15956872), (8, 9973045), (10, 7978436), (20, 3989218), (40, 1994609), (41, 1945960), (82, 972980), (164, 486490), (205, 389192), (328, 243245), (410, 194596), (820, 97298), (1640, 48649)]