80197760

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 199894500

約数和(自身を除く): 119696740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 149, 160, 232, 290, 298, 320, 464, 580, 596, 640, 745, 841, 928, 1160, 1192, 1490, 1682, 1856, 2320, 2384, 2980, 3364, 3712, 4205, 4321, 4640, 4768, 5960, 6728, 8410, 8642, 9280, 9536, 11920, 13456, 16820, 17284, 18560, 19072, 21605, 23840, 26912, 33640, 34568, 43210, 47680, 53824, 67280, 69136, 86420, 95360, 107648, 125309, 134560, 138272, 172840, 250618, 269120, 276544, 345680, 501236, 538240, 553088, 626545, 691360, 1002472, 1253090, 1382720, 2004944, 2506180, 2765440, 4009888, 5012360, 8019776, 10024720, 16039552, 20049440, 40098880, 80197760]

約数ペア:

[(1, 80197760), (2, 40098880), (4, 20049440), (5, 16039552), (8, 10024720), (10, 8019776), (16, 5012360), (20, 4009888), (29, 2765440), (32, 2506180), (40, 2004944), (58, 1382720), (64, 1253090), (80, 1002472), (116, 691360), (128, 626545), (145, 553088), (149, 538240), (160, 501236), (232, 345680), (290, 276544), (298, 269120), (320, 250618), (464, 172840), (580, 138272), (596, 134560), (640, 125309), (745, 107648), (841, 95360), (928, 86420), (1160, 69136), (1192, 67280), (1490, 53824), (1682, 47680), (1856, 43210), (2320, 34568), (2384, 33640), (2980, 26912), (3364, 23840), (3712, 21605), (4205, 19072), (4321, 18560), (4640, 17284), (4768, 16820), (5960, 13456), (6728, 11920), (8410, 9536), (8642, 9280)]