210171520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25261}}^1$

素因数の和:25293

約数の個数: 64

約数和(自身を含む): 541112040

約数和(自身を除く): 330940520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 25261, 50522, 101044, 126305, 202088, 252610, 328393, 404176, 505220, 656786, 808352, 1010440, 1313572, 1616704, 1641965, 2020880, 2627144, 3233408, 3283930, 4041760, 5254288, 6567860, 8083520, 10508576, 13135720, 16167040, 21017152, 26271440, 42034304, 52542880, 105085760, 210171520]

約数ペア:

[(1, 210171520), (2, 105085760), (4, 52542880), (5, 42034304), (8, 26271440), (10, 21017152), (13, 16167040), (16, 13135720), (20, 10508576), (26, 8083520), (32, 6567860), (40, 5254288), (52, 4041760), (64, 3283930), (65, 3233408), (80, 2627144), (104, 2020880), (128, 1641965), (130, 1616704), (160, 1313572), (208, 1010440), (260, 808352), (320, 656786), (416, 505220), (520, 404176), (640, 328393), (832, 252610), (1040, 202088), (1664, 126305), (2080, 101044), (4160, 50522), (8320, 25261)]