26709880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 62868960

約数和(自身を除く): 36159080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 293, 344, 424, 430, 530, 586, 860, 1060, 1172, 1465, 1720, 2120, 2279, 2344, 2930, 4558, 5860, 9116, 11395, 11720, 12599, 15529, 18232, 22790, 25198, 31058, 45580, 50396, 62116, 62995, 77645, 91160, 100792, 124232, 125990, 155290, 251980, 310580, 503960, 621160, 667747, 1335494, 2670988, 3338735, 5341976, 6677470, 13354940, 26709880]

約数ペア:

[(1, 26709880), (2, 13354940), (4, 6677470), (5, 5341976), (8, 3338735), (10, 2670988), (20, 1335494), (40, 667747), (43, 621160), (53, 503960), (86, 310580), (106, 251980), (172, 155290), (212, 125990), (215, 124232), (265, 100792), (293, 91160), (344, 77645), (424, 62995), (430, 62116), (530, 50396), (586, 45580), (860, 31058), (1060, 25198), (1172, 22790), (1465, 18232), (1720, 15529), (2120, 12599), (2279, 11720), (2344, 11395), (2930, 9116), (4558, 5860)]