87118540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2879}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 108836660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2879, 3026, 5758, 6052, 7565, 11516, 14395, 15130, 28790, 30260, 48943, 57580, 97886, 195772, 244715, 256231, 489430, 512462, 978860, 1024924, 1281155, 2562310, 4355927, 5124620, 8711854, 17423708, 21779635, 43559270, 87118540]

約数ペア:

[(1, 87118540), (2, 43559270), (4, 21779635), (5, 17423708), (10, 8711854), (17, 5124620), (20, 4355927), (34, 2562310), (68, 1281155), (85, 1024924), (89, 978860), (170, 512462), (178, 489430), (340, 256231), (356, 244715), (445, 195772), (890, 97886), (1513, 57580), (1780, 48943), (2879, 30260), (3026, 28790), (5758, 15130), (6052, 14395), (7565, 11516)]