210009680

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2393}}^1$

素因数の和:3503

約数の個数: 40

約数和(自身を含む): 488921832

約数和(自身を除く): 278912152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2194, 2393, 4388, 4786, 5485, 8776, 9572, 10970, 11965, 17552, 19144, 21940, 23930, 38288, 43880, 47860, 87760, 95720, 191440, 2625121, 5250242, 10500484, 13125605, 21000968, 26251210, 42001936, 52502420, 105004840, 210009680]

約数ペア:

[(1, 210009680), (2, 105004840), (4, 52502420), (5, 42001936), (8, 26251210), (10, 21000968), (16, 13125605), (20, 10500484), (40, 5250242), (80, 2625121), (1097, 191440), (2194, 95720), (2393, 87760), (4388, 47860), (4786, 43880), (5485, 38288), (8776, 23930), (9572, 21940), (10970, 19144), (11965, 17552)]