87581440

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 213908688

約数和(自身を除く): 126327248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1291, 1696, 2120, 2582, 3392, 4240, 5164, 6455, 6784, 8480, 10328, 12910, 13568, 16960, 20656, 25820, 33920, 41312, 51640, 67840, 68423, 82624, 103280, 136846, 165248, 206560, 273692, 330496, 342115, 413120, 547384, 684230, 826240, 1094768, 1368460, 1652480, 2189536, 2736920, 4379072, 5473840, 8758144, 10947680, 17516288, 21895360, 43790720, 87581440]

約数ペア:

[(1, 87581440), (2, 43790720), (4, 21895360), (5, 17516288), (8, 10947680), (10, 8758144), (16, 5473840), (20, 4379072), (32, 2736920), (40, 2189536), (53, 1652480), (64, 1368460), (80, 1094768), (106, 826240), (128, 684230), (160, 547384), (212, 413120), (256, 342115), (265, 330496), (320, 273692), (424, 206560), (530, 165248), (640, 136846), (848, 103280), (1060, 82624), (1280, 68423), (1291, 67840), (1696, 51640), (2120, 41312), (2582, 33920), (3392, 25820), (4240, 20656), (5164, 16960), (6455, 13568), (6784, 12910), (8480, 10328)]