28988080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32941}}^1$

素因数の和:32965

約数の個数: 40

約数和(自身を含む): 73526544

約数和(自身を除く): 44538464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32941, 65882, 131764, 164705, 263528, 329410, 362351, 527056, 658820, 724702, 1317640, 1449404, 1811755, 2635280, 2898808, 3623510, 5797616, 7247020, 14494040, 28988080]

約数ペア:

[(1, 28988080), (2, 14494040), (4, 7247020), (5, 5797616), (8, 3623510), (10, 2898808), (11, 2635280), (16, 1811755), (20, 1449404), (22, 1317640), (40, 724702), (44, 658820), (55, 527056), (80, 362351), (88, 329410), (110, 263528), (176, 164705), (220, 131764), (440, 65882), (880, 32941)]