52780780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4786

約数の個数: 48

約数和(自身を含む): 122167584

約数和(自身を除く): 69386804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 4721, 5590, 9442, 11180, 18884, 23605, 47210, 61373, 94420, 122746, 203003, 245492, 306865, 406006, 613730, 812012, 1015015, 1227460, 2030030, 2639039, 4060060, 5278078, 10556156, 13195195, 26390390, 52780780]

約数ペア:

[(1, 52780780), (2, 26390390), (4, 13195195), (5, 10556156), (10, 5278078), (13, 4060060), (20, 2639039), (26, 2030030), (43, 1227460), (52, 1015015), (65, 812012), (86, 613730), (130, 406006), (172, 306865), (215, 245492), (260, 203003), (430, 122746), (559, 94420), (860, 61373), (1118, 47210), (2236, 23605), (2795, 18884), (4721, 11180), (5590, 9442)]