228522520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139343}}^1$

素因数の和:139395

約数の個数: 32

約数和(自身を含む): 526720320

約数和(自身を除く): 298197800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 139343, 278686, 557372, 696715, 1114744, 1393430, 2786860, 5573720, 5713063, 11426126, 22852252, 28565315, 45704504, 57130630, 114261260, 228522520]

約数ペア:

[(1, 228522520), (2, 114261260), (4, 57130630), (5, 45704504), (8, 28565315), (10, 22852252), (20, 11426126), (40, 5713063), (41, 5573720), (82, 2786860), (164, 1393430), (205, 1114744), (328, 696715), (410, 557372), (820, 278686), (1640, 139343)]