71332960

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1123}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 169099056

約数和(自身を除く): 97766096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1123, 1588, 1985, 2246, 3176, 3970, 4492, 5615, 6352, 7940, 8984, 11230, 12704, 15880, 17968, 22460, 31760, 35936, 44920, 63520, 89840, 179680, 445831, 891662, 1783324, 2229155, 3566648, 4458310, 7133296, 8916620, 14266592, 17833240, 35666480, 71332960]

約数ペア:

[(1, 71332960), (2, 35666480), (4, 17833240), (5, 14266592), (8, 8916620), (10, 7133296), (16, 4458310), (20, 3566648), (32, 2229155), (40, 1783324), (80, 891662), (160, 445831), (397, 179680), (794, 89840), (1123, 63520), (1588, 44920), (1985, 35936), (2246, 31760), (3176, 22460), (3970, 17968), (4492, 15880), (5615, 12704), (6352, 11230), (7940, 8984)]