291246232040

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{13072093}}^1$

素因数の和:13072661

約数の個数: 32

約数和(自身を含む): 656480560680

約数和(自身を除く): 365234328640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 22280, 13072093, 26144186, 52288372, 65360465, 104576744, 130720930, 261441860, 522883720, 7281155801, 14562311602, 29124623204, 36405779005, 58249246408, 72811558010, 145623116020, 291246232040]

約数ペア:

[(1, 291246232040), (2, 145623116020), (4, 72811558010), (5, 58249246408), (8, 36405779005), (10, 29124623204), (20, 14562311602), (40, 7281155801), (557, 522883720), (1114, 261441860), (2228, 130720930), (2785, 104576744), (4456, 65360465), (5570, 52288372), (11140, 26144186), (22280, 13072093)]