89693440

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 217808640

約数和(自身を除く): 128115200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 887, 1264, 1280, 1580, 1774, 2528, 3160, 3548, 4435, 5056, 6320, 7096, 8870, 10112, 12640, 14192, 17740, 20224, 25280, 28384, 35480, 50560, 56768, 70073, 70960, 101120, 113536, 140146, 141920, 227072, 280292, 283840, 350365, 560584, 567680, 700730, 1121168, 1135360, 1401460, 2242336, 2802920, 4484672, 5605840, 8969344, 11211680, 17938688, 22423360, 44846720, 89693440]

約数ペア:

[(1, 89693440), (2, 44846720), (4, 22423360), (5, 17938688), (8, 11211680), (10, 8969344), (16, 5605840), (20, 4484672), (32, 2802920), (40, 2242336), (64, 1401460), (79, 1135360), (80, 1121168), (128, 700730), (158, 567680), (160, 560584), (256, 350365), (316, 283840), (320, 280292), (395, 227072), (632, 141920), (640, 140146), (790, 113536), (887, 101120), (1264, 70960), (1280, 70073), (1580, 56768), (1774, 50560), (2528, 35480), (3160, 28384), (3548, 25280), (4435, 20224), (5056, 17740), (6320, 14192), (7096, 12640), (8870, 10112)]