81224080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{145043}}^1$

素因数の和:145063

約数の個数: 40

約数和(自身を含む): 215825472

約数和(自身を除く): 134601392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 145043, 290086, 580172, 725215, 1015301, 1160344, 1450430, 2030602, 2320688, 2900860, 4061204, 5076505, 5801720, 8122408, 10153010, 11603440, 16244816, 20306020, 40612040, 81224080]

約数ペア:

[(1, 81224080), (2, 40612040), (4, 20306020), (5, 16244816), (7, 11603440), (8, 10153010), (10, 8122408), (14, 5801720), (16, 5076505), (20, 4061204), (28, 2900860), (35, 2320688), (40, 2030602), (56, 1450430), (70, 1160344), (80, 1015301), (112, 725215), (140, 580172), (280, 290086), (560, 145043)]