99857920

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2095

約数の個数: 80

約数和(自身を含む): 252149040

約数和(自身を除く): 152291120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2053, 2432, 2560, 3040, 4106, 4864, 6080, 8212, 9728, 10265, 12160, 16424, 20530, 24320, 32848, 39007, 41060, 48640, 65696, 78014, 82120, 131392, 156028, 164240, 195035, 262784, 312056, 328480, 390070, 525568, 624112, 656960, 780140, 1051136, 1248224, 1313920, 1560280, 2496448, 2627840, 3120560, 4992896, 5255680, 6241120, 9985792, 12482240, 19971584, 24964480, 49928960, 99857920]

約数ペア:

[(1, 99857920), (2, 49928960), (4, 24964480), (5, 19971584), (8, 12482240), (10, 9985792), (16, 6241120), (19, 5255680), (20, 4992896), (32, 3120560), (38, 2627840), (40, 2496448), (64, 1560280), (76, 1313920), (80, 1248224), (95, 1051136), (128, 780140), (152, 656960), (160, 624112), (190, 525568), (256, 390070), (304, 328480), (320, 312056), (380, 262784), (512, 195035), (608, 164240), (640, 156028), (760, 131392), (1216, 82120), (1280, 78014), (1520, 65696), (2053, 48640), (2432, 41060), (2560, 39007), (3040, 32848), (4106, 24320), (4864, 20530), (6080, 16424), (8212, 12160), (9728, 10265)]