49642420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^2$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 106055460

約数和(自身を除く): 56413040

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 668, 835, 890, 1670, 1780, 3340, 14863, 27889, 29726, 55778, 59452, 74315, 111556, 139445, 148630, 278890, 297260, 557780, 2482121, 4964242, 9928484, 12410605, 24821210, 49642420]

約数ペア:

[(1, 49642420), (2, 24821210), (4, 12410605), (5, 9928484), (10, 4964242), (20, 2482121), (89, 557780), (167, 297260), (178, 278890), (334, 148630), (356, 139445), (445, 111556), (668, 74315), (835, 59452), (890, 55778), (1670, 29726), (1780, 27889), (3340, 14863)]