65004880

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3851}}^1$

素因数の和:4075

約数の個数: 40

約数和(自身を含む): 151892064

約数和(自身を除く): 86887184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 3851, 4220, 7702, 8440, 15404, 16880, 19255, 30808, 38510, 61616, 77020, 154040, 308080, 812561, 1625122, 3250244, 4062805, 6500488, 8125610, 13000976, 16251220, 32502440, 65004880]

約数ペア:

[(1, 65004880), (2, 32502440), (4, 16251220), (5, 13000976), (8, 8125610), (10, 6500488), (16, 4062805), (20, 3250244), (40, 1625122), (80, 812561), (211, 308080), (422, 154040), (844, 77020), (1055, 61616), (1688, 38510), (2110, 30808), (3376, 19255), (3851, 16880), (4220, 15404), (7702, 8440)]