16072780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 35108640

約数和(自身を除く): 19035860

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 257, 265, 295, 514, 530, 590, 1028, 1060, 1180, 1285, 2570, 3127, 5140, 6254, 12508, 13621, 15163, 15635, 27242, 30326, 31270, 54484, 60652, 62540, 68105, 75815, 136210, 151630, 272420, 303260, 803639, 1607278, 3214556, 4018195, 8036390, 16072780]

約数ペア:

[(1, 16072780), (2, 8036390), (4, 4018195), (5, 3214556), (10, 1607278), (20, 803639), (53, 303260), (59, 272420), (106, 151630), (118, 136210), (212, 75815), (236, 68105), (257, 62540), (265, 60652), (295, 54484), (514, 31270), (530, 30326), (590, 27242), (1028, 15635), (1060, 15163), (1180, 13621), (1285, 12508), (2570, 6254), (3127, 5140)]