3867940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 8573040

約数和(自身を除く): 4705100

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 89, 106, 164, 178, 205, 212, 265, 356, 410, 445, 530, 820, 890, 1060, 1780, 2173, 3649, 4346, 4717, 7298, 8692, 9434, 10865, 14596, 18245, 18868, 21730, 23585, 36490, 43460, 47170, 72980, 94340, 193397, 386794, 773588, 966985, 1933970, 3867940]

約数ペア:

[(1, 3867940), (2, 1933970), (4, 966985), (5, 773588), (10, 386794), (20, 193397), (41, 94340), (53, 72980), (82, 47170), (89, 43460), (106, 36490), (164, 23585), (178, 21730), (205, 18868), (212, 18245), (265, 14596), (356, 10865), (410, 9434), (445, 8692), (530, 7298), (820, 4717), (890, 4346), (1060, 3649), (1780, 2173)]