201054080

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 482647680

約数和(自身を除く): 281593600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 991, 1268, 1585, 1982, 2536, 3170, 3964, 4955, 5072, 6340, 7928, 9910, 10144, 12680, 15856, 19820, 20288, 25360, 31712, 39640, 40576, 50720, 63424, 79280, 101440, 126848, 158560, 202880, 314147, 317120, 628294, 634240, 1256588, 1570735, 2513176, 3141470, 5026352, 6282940, 10052704, 12565880, 20105408, 25131760, 40210816, 50263520, 100527040, 201054080]

約数ペア:

[(1, 201054080), (2, 100527040), (4, 50263520), (5, 40210816), (8, 25131760), (10, 20105408), (16, 12565880), (20, 10052704), (32, 6282940), (40, 5026352), (64, 3141470), (80, 2513176), (128, 1570735), (160, 1256588), (317, 634240), (320, 628294), (634, 317120), (640, 314147), (991, 202880), (1268, 158560), (1585, 126848), (1982, 101440), (2536, 79280), (3170, 63424), (3964, 50720), (4955, 40576), (5072, 39640), (6340, 31712), (7928, 25360), (9910, 20288), (10144, 19820), (12680, 15856)]