49987840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{797}}^1$

素因数の和:832

約数の個数: 108

約数和(自身を含む): 139460076

約数和(自身を除く): 89472236

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 797, 896, 980, 1120, 1280, 1568, 1594, 1792, 1960, 2240, 3136, 3188, 3920, 3985, 4480, 5579, 6272, 6376, 7840, 7970, 8960, 11158, 12544, 12752, 15680, 15940, 22316, 25504, 27895, 31360, 31880, 39053, 44632, 51008, 55790, 62720, 63760, 78106, 89264, 102016, 111580, 127520, 156212, 178528, 195265, 204032, 223160, 255040, 312424, 357056, 390530, 446320, 510080, 624848, 714112, 781060, 892640, 1020160, 1249696, 1428224, 1562120, 1785280, 2499392, 3124240, 3570560, 4998784, 6248480, 7141120, 9997568, 12496960, 24993920, 49987840]

約数ペア:

[(1, 49987840), (2, 24993920), (4, 12496960), (5, 9997568), (7, 7141120), (8, 6248480), (10, 4998784), (14, 3570560), (16, 3124240), (20, 2499392), (28, 1785280), (32, 1562120), (35, 1428224), (40, 1249696), (49, 1020160), (56, 892640), (64, 781060), (70, 714112), (80, 624848), (98, 510080), (112, 446320), (128, 390530), (140, 357056), (160, 312424), (196, 255040), (224, 223160), (245, 204032), (256, 195265), (280, 178528), (320, 156212), (392, 127520), (448, 111580), (490, 102016), (560, 89264), (640, 78106), (784, 63760), (797, 62720), (896, 55790), (980, 51008), (1120, 44632), (1280, 39053), (1568, 31880), (1594, 31360), (1792, 27895), (1960, 25504), (2240, 22316), (3136, 15940), (3188, 15680), (3920, 12752), (3985, 12544), (4480, 11158), (5579, 8960), (6272, 7970), (6376, 7840)]