13941320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11285

約数の個数: 32

約数和(自身を含む): 32382720

約数和(自身を除く): 18441400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11243, 22486, 44972, 56215, 89944, 112430, 224860, 348533, 449720, 697066, 1394132, 1742665, 2788264, 3485330, 6970660, 13941320]

約数ペア:

[(1, 13941320), (2, 6970660), (4, 3485330), (5, 2788264), (8, 1742665), (10, 1394132), (20, 697066), (31, 449720), (40, 348533), (62, 224860), (124, 112430), (155, 89944), (248, 56215), (310, 44972), (620, 22486), (1240, 11243)]