89342720

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 215650176

約数和(自身を除く): 126307456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 313, 320, 446, 626, 640, 892, 1115, 1252, 1280, 1565, 1784, 2230, 2504, 3130, 3568, 4460, 5008, 6260, 7136, 8920, 10016, 12520, 14272, 17840, 20032, 25040, 28544, 35680, 40064, 50080, 57088, 69799, 71360, 80128, 100160, 139598, 142720, 200320, 279196, 285440, 348995, 400640, 558392, 697990, 1116784, 1395980, 2233568, 2791960, 4467136, 5583920, 8934272, 11167840, 17868544, 22335680, 44671360, 89342720]

約数ペア:

[(1, 89342720), (2, 44671360), (4, 22335680), (5, 17868544), (8, 11167840), (10, 8934272), (16, 5583920), (20, 4467136), (32, 2791960), (40, 2233568), (64, 1395980), (80, 1116784), (128, 697990), (160, 558392), (223, 400640), (256, 348995), (313, 285440), (320, 279196), (446, 200320), (626, 142720), (640, 139598), (892, 100160), (1115, 80128), (1252, 71360), (1280, 69799), (1565, 57088), (1784, 50080), (2230, 40064), (2504, 35680), (3130, 28544), (3568, 25040), (4460, 20032), (5008, 17840), (6260, 14272), (7136, 12520), (8920, 10016)]