65803520

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 159493320

約数和(自身を除く): 93689800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 509, 640, 808, 1010, 1018, 1280, 1616, 2020, 2036, 2545, 3232, 4040, 4072, 5090, 6464, 8080, 8144, 10180, 12928, 16160, 16288, 20360, 25856, 32320, 32576, 40720, 51409, 64640, 65152, 81440, 102818, 129280, 130304, 162880, 205636, 257045, 325760, 411272, 514090, 651520, 822544, 1028180, 1645088, 2056360, 3290176, 4112720, 6580352, 8225440, 13160704, 16450880, 32901760, 65803520]

約数ペア:

[(1, 65803520), (2, 32901760), (4, 16450880), (5, 13160704), (8, 8225440), (10, 6580352), (16, 4112720), (20, 3290176), (32, 2056360), (40, 1645088), (64, 1028180), (80, 822544), (101, 651520), (128, 514090), (160, 411272), (202, 325760), (256, 257045), (320, 205636), (404, 162880), (505, 130304), (509, 129280), (640, 102818), (808, 81440), (1010, 65152), (1018, 64640), (1280, 51409), (1616, 40720), (2020, 32576), (2036, 32320), (2545, 25856), (3232, 20360), (4040, 16288), (4072, 16160), (5090, 12928), (6464, 10180), (8080, 8144)]