8481920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 21022200

約数和(自身を除く): 12540280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 457, 464, 580, 640, 914, 928, 1160, 1828, 1856, 2285, 2320, 3656, 3712, 4570, 4640, 7312, 9140, 9280, 13253, 14624, 18280, 18560, 26506, 29248, 36560, 53012, 58496, 66265, 73120, 106024, 132530, 146240, 212048, 265060, 292480, 424096, 530120, 848192, 1060240, 1696384, 2120480, 4240960, 8481920]

約数ペア:

[(1, 8481920), (2, 4240960), (4, 2120480), (5, 1696384), (8, 1060240), (10, 848192), (16, 530120), (20, 424096), (29, 292480), (32, 265060), (40, 212048), (58, 146240), (64, 132530), (80, 106024), (116, 73120), (128, 66265), (145, 58496), (160, 53012), (232, 36560), (290, 29248), (320, 26506), (457, 18560), (464, 18280), (580, 14624), (640, 13253), (914, 9280), (928, 9140), (1160, 7312), (1828, 4640), (1856, 4570), (2285, 3712), (2320, 3656)]