8613760

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 21138480

約数和(自身を除く): 12524720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 313, 320, 344, 430, 626, 640, 688, 860, 1252, 1376, 1565, 1720, 2504, 2752, 3130, 3440, 5008, 5504, 6260, 6880, 10016, 12520, 13459, 13760, 20032, 25040, 26918, 27520, 40064, 50080, 53836, 67295, 100160, 107672, 134590, 200320, 215344, 269180, 430688, 538360, 861376, 1076720, 1722752, 2153440, 4306880, 8613760]

約数ペア:

[(1, 8613760), (2, 4306880), (4, 2153440), (5, 1722752), (8, 1076720), (10, 861376), (16, 538360), (20, 430688), (32, 269180), (40, 215344), (43, 200320), (64, 134590), (80, 107672), (86, 100160), (128, 67295), (160, 53836), (172, 50080), (215, 40064), (313, 27520), (320, 26918), (344, 25040), (430, 20032), (626, 13760), (640, 13459), (688, 12520), (860, 10016), (1252, 6880), (1376, 6260), (1565, 5504), (1720, 5008), (2504, 3440), (2752, 3130)]