7138026320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{818581}}^1$

素因数の和:818703

約数の個数: 40

約数和(自身を含む): 16748187720

約数和(自身を除く): 9610161400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 818581, 1637162, 3274324, 4092905, 6548648, 8185810, 13097296, 16371620, 32743240, 65486480, 89225329, 178450658, 356901316, 446126645, 713802632, 892253290, 1427605264, 1784506580, 3569013160, 7138026320]

約数ペア:

[(1, 7138026320), (2, 3569013160), (4, 1784506580), (5, 1427605264), (8, 892253290), (10, 713802632), (16, 446126645), (20, 356901316), (40, 178450658), (80, 89225329), (109, 65486480), (218, 32743240), (436, 16371620), (545, 13097296), (872, 8185810), (1090, 6548648), (1744, 4092905), (2180, 3274324), (4360, 1637162), (8720, 818581)]