2209040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 5242968

約数和(自身を除く): 3033928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 521, 530, 848, 1042, 1060, 2084, 2120, 2605, 4168, 4240, 5210, 8336, 10420, 20840, 27613, 41680, 55226, 110452, 138065, 220904, 276130, 441808, 552260, 1104520, 2209040]

約数ペア:

[(1, 2209040), (2, 1104520), (4, 552260), (5, 441808), (8, 276130), (10, 220904), (16, 138065), (20, 110452), (40, 55226), (53, 41680), (80, 27613), (106, 20840), (212, 10420), (265, 8336), (424, 5210), (521, 4240), (530, 4168), (848, 2605), (1042, 2120), (1060, 2084)]