72076840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163811}}^1$

素因数の和:163833

約数の個数: 32

約数和(自身を含む): 176916960

約数和(自身を除く): 104840120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163811, 327622, 655244, 819055, 1310488, 1638110, 1801921, 3276220, 3603842, 6552440, 7207684, 9009605, 14415368, 18019210, 36038420, 72076840]

約数ペア:

[(1, 72076840), (2, 36038420), (4, 18019210), (5, 14415368), (8, 9009605), (10, 7207684), (11, 6552440), (20, 3603842), (22, 3276220), (40, 1801921), (44, 1638110), (55, 1310488), (88, 819055), (110, 655244), (220, 327622), (440, 163811)]