80884480

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2229

約数の個数: 72

約数和(自身を含む): 200516400

約数和(自身を除く): 119631920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2179, 2320, 3712, 4358, 4640, 7424, 8716, 9280, 10895, 17432, 18560, 21790, 34864, 37120, 43580, 63191, 69728, 87160, 126382, 139456, 174320, 252764, 278912, 315955, 348640, 505528, 557824, 631910, 697280, 1011056, 1263820, 1394560, 2022112, 2527640, 2789120, 4044224, 5055280, 8088448, 10110560, 16176896, 20221120, 40442240, 80884480]

約数ペア:

[(1, 80884480), (2, 40442240), (4, 20221120), (5, 16176896), (8, 10110560), (10, 8088448), (16, 5055280), (20, 4044224), (29, 2789120), (32, 2527640), (40, 2022112), (58, 1394560), (64, 1263820), (80, 1011056), (116, 697280), (128, 631910), (145, 557824), (160, 505528), (232, 348640), (256, 315955), (290, 278912), (320, 252764), (464, 174320), (580, 139456), (640, 126382), (928, 87160), (1160, 69728), (1280, 63191), (1856, 43580), (2179, 37120), (2320, 34864), (3712, 21790), (4358, 18560), (4640, 17432), (7424, 10895), (8716, 9280)]