72630280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13063}}^1$

素因数の和:13213

約数の個数: 32

約数和(自身を含む): 164606400

約数和(自身を除く): 91976120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13063, 26126, 52252, 65315, 104504, 130630, 261260, 522520, 1815757, 3631514, 7263028, 9078785, 14526056, 18157570, 36315140, 72630280]

約数ペア:

[(1, 72630280), (2, 36315140), (4, 18157570), (5, 14526056), (8, 9078785), (10, 7263028), (20, 3631514), (40, 1815757), (139, 522520), (278, 261260), (556, 130630), (695, 104504), (1112, 65315), (1390, 52252), (2780, 26126), (5560, 13063)]