88897280

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 214620000

約数和(自身を除く): 125722720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 349, 398, 640, 698, 796, 995, 1280, 1396, 1592, 1745, 1990, 2792, 3184, 3490, 3980, 5584, 6368, 6980, 7960, 11168, 12736, 13960, 15920, 22336, 25472, 27920, 31840, 44672, 50944, 55840, 63680, 69451, 89344, 111680, 127360, 138902, 223360, 254720, 277804, 347255, 446720, 555608, 694510, 1111216, 1389020, 2222432, 2778040, 4444864, 5556080, 8889728, 11112160, 17779456, 22224320, 44448640, 88897280]

約数ペア:

[(1, 88897280), (2, 44448640), (4, 22224320), (5, 17779456), (8, 11112160), (10, 8889728), (16, 5556080), (20, 4444864), (32, 2778040), (40, 2222432), (64, 1389020), (80, 1111216), (128, 694510), (160, 555608), (199, 446720), (256, 347255), (320, 277804), (349, 254720), (398, 223360), (640, 138902), (698, 127360), (796, 111680), (995, 89344), (1280, 69451), (1396, 63680), (1592, 55840), (1745, 50944), (1990, 44672), (2792, 31840), (3184, 27920), (3490, 25472), (3980, 22336), (5584, 15920), (6368, 13960), (6980, 12736), (7960, 11168)]