28921100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22247}}^1$

素因数の和:22274

約数の個数: 36

約数和(自身を含む): 67589424

約数和(自身を除く): 38668324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22247, 44494, 88988, 111235, 222470, 289211, 444940, 556175, 578422, 1112350, 1156844, 1446055, 2224700, 2892110, 5784220, 7230275, 14460550, 28921100]

約数ペア:

[(1, 28921100), (2, 14460550), (4, 7230275), (5, 5784220), (10, 2892110), (13, 2224700), (20, 1446055), (25, 1156844), (26, 1112350), (50, 578422), (52, 556175), (65, 444940), (100, 289211), (130, 222470), (260, 111235), (325, 88988), (650, 44494), (1300, 22247)]