7123755440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1680131}}^1$

素因数の和:1680197

約数の個数: 40

約数和(自身を含む): 16875245808

約数和(自身を除く): 9751490368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 1680131, 3360262, 6720524, 8400655, 13441048, 16801310, 26882096, 33602620, 67205240, 89046943, 134410480, 178093886, 356187772, 445234715, 712375544, 890469430, 1424751088, 1780938860, 3561877720, 7123755440]

約数ペア:

[(1, 7123755440), (2, 3561877720), (4, 1780938860), (5, 1424751088), (8, 890469430), (10, 712375544), (16, 445234715), (20, 356187772), (40, 178093886), (53, 134410480), (80, 89046943), (106, 67205240), (212, 33602620), (265, 26882096), (424, 16801310), (530, 13441048), (848, 8400655), (1060, 6720524), (2120, 3360262), (4240, 1680131)]