26466680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10847}}^1$

素因数の和:10919

約数の個数: 32

約数和(自身を含む): 60531840

約数和(自身を除く): 34065160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10847, 21694, 43388, 54235, 86776, 108470, 216940, 433880, 661667, 1323334, 2646668, 3308335, 5293336, 6616670, 13233340, 26466680]

約数ペア:

[(1, 26466680), (2, 13233340), (4, 6616670), (5, 5293336), (8, 3308335), (10, 2646668), (20, 1323334), (40, 661667), (61, 433880), (122, 216940), (244, 108470), (305, 86776), (488, 54235), (610, 43388), (1220, 21694), (2440, 10847)]