61261240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35617}}^1$

素因数の和:35671

約数の個数: 32

約数和(自身を含む): 141047280

約数和(自身を除く): 79786040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 35617, 71234, 142468, 178085, 284936, 356170, 712340, 1424680, 1531531, 3063062, 6126124, 7657655, 12252248, 15315310, 30630620, 61261240]

約数ペア:

[(1, 61261240), (2, 30630620), (4, 15315310), (5, 12252248), (8, 7657655), (10, 6126124), (20, 3063062), (40, 1531531), (43, 1424680), (86, 712340), (172, 356170), (215, 284936), (344, 178085), (430, 142468), (860, 71234), (1720, 35617)]