27882640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11287

約数の個数: 40

約数和(自身を含む): 66924288

約数和(自身を除く): 39041648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11243, 22486, 44972, 56215, 89944, 112430, 179888, 224860, 348533, 449720, 697066, 899440, 1394132, 1742665, 2788264, 3485330, 5576528, 6970660, 13941320, 27882640]

約数ペア:

[(1, 27882640), (2, 13941320), (4, 6970660), (5, 5576528), (8, 3485330), (10, 2788264), (16, 1742665), (20, 1394132), (31, 899440), (40, 697066), (62, 449720), (80, 348533), (124, 224860), (155, 179888), (248, 112430), (310, 89944), (496, 56215), (620, 44972), (1240, 22486), (2480, 11243)]