64623280

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{947}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 150584112

約数和(自身を除く): 85960832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 947, 1706, 1894, 3412, 3788, 4265, 4735, 6824, 7576, 8530, 9470, 13648, 15152, 17060, 18940, 34120, 37880, 68240, 75760, 807791, 1615582, 3231164, 4038955, 6462328, 8077910, 12924656, 16155820, 32311640, 64623280]

約数ペア:

[(1, 64623280), (2, 32311640), (4, 16155820), (5, 12924656), (8, 8077910), (10, 6462328), (16, 4038955), (20, 3231164), (40, 1615582), (80, 807791), (853, 75760), (947, 68240), (1706, 37880), (1894, 34120), (3412, 18940), (3788, 17060), (4265, 15152), (4735, 13648), (6824, 9470), (7576, 8530)]