49112720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 122016000

約数和(自身を除く): 72903280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 409, 632, 760, 790, 818, 1264, 1501, 1520, 1580, 1636, 2045, 3002, 3160, 3272, 4090, 6004, 6320, 6544, 7505, 7771, 8180, 12008, 15010, 15542, 16360, 24016, 30020, 31084, 32311, 32720, 38855, 60040, 62168, 64622, 77710, 120080, 124336, 129244, 155420, 161555, 258488, 310840, 323110, 516976, 613909, 621680, 646220, 1227818, 1292440, 2455636, 2584880, 3069545, 4911272, 6139090, 9822544, 12278180, 24556360, 49112720]

約数ペア:

[(1, 49112720), (2, 24556360), (4, 12278180), (5, 9822544), (8, 6139090), (10, 4911272), (16, 3069545), (19, 2584880), (20, 2455636), (38, 1292440), (40, 1227818), (76, 646220), (79, 621680), (80, 613909), (95, 516976), (152, 323110), (158, 310840), (190, 258488), (304, 161555), (316, 155420), (380, 129244), (395, 124336), (409, 120080), (632, 77710), (760, 64622), (790, 62168), (818, 60040), (1264, 38855), (1501, 32720), (1520, 32311), (1580, 31084), (1636, 30020), (2045, 24016), (3002, 16360), (3160, 15542), (3272, 15010), (4090, 12008), (6004, 8180), (6320, 7771), (6544, 7505)]