25215320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48491}}^1$

素因数の和:48515

約数の個数: 32

約数和(自身を含む): 61099920

約数和(自身を除く): 35884600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 48491, 96982, 193964, 242455, 387928, 484910, 630383, 969820, 1260766, 1939640, 2521532, 3151915, 5043064, 6303830, 12607660, 25215320]

約数ペア:

[(1, 25215320), (2, 12607660), (4, 6303830), (5, 5043064), (8, 3151915), (10, 2521532), (13, 1939640), (20, 1260766), (26, 969820), (40, 630383), (52, 484910), (65, 387928), (104, 242455), (130, 193964), (260, 96982), (520, 48491)]