7250872520

素因数分解:

$2^3\times 5^1\times {\mathrm{8243}}^1\times {\mathrm{21991}}^1$

素因数の和:30245

約数の個数: 32

約数和(自身を含む): 16317184320

約数和(自身を除く): 9066311800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8243, 16486, 21991, 32972, 41215, 43982, 65944, 82430, 87964, 109955, 164860, 175928, 219910, 329720, 439820, 879640, 181271813, 362543626, 725087252, 906359065, 1450174504, 1812718130, 3625436260, 7250872520]

約数ペア:

[(1, 7250872520), (2, 3625436260), (4, 1812718130), (5, 1450174504), (8, 906359065), (10, 725087252), (20, 362543626), (40, 181271813), (8243, 879640), (16486, 439820), (21991, 329720), (32972, 219910), (41215, 175928), (43982, 164860), (65944, 109955), (82430, 87964)]