13216720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 35033472

約数和(自身を除く): 21816752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 653, 880, 920, 1012, 1265, 1306, 1840, 2024, 2530, 2612, 3265, 4048, 5060, 5224, 6530, 7183, 10120, 10448, 13060, 14366, 15019, 20240, 26120, 28732, 30038, 35915, 52240, 57464, 60076, 71830, 75095, 114928, 120152, 143660, 150190, 165209, 240304, 287320, 300380, 330418, 574640, 600760, 660836, 826045, 1201520, 1321672, 1652090, 2643344, 3304180, 6608360, 13216720]

約数ペア:

[(1, 13216720), (2, 6608360), (4, 3304180), (5, 2643344), (8, 1652090), (10, 1321672), (11, 1201520), (16, 826045), (20, 660836), (22, 600760), (23, 574640), (40, 330418), (44, 300380), (46, 287320), (55, 240304), (80, 165209), (88, 150190), (92, 143660), (110, 120152), (115, 114928), (176, 75095), (184, 71830), (220, 60076), (230, 57464), (253, 52240), (368, 35915), (440, 30038), (460, 28732), (506, 26120), (653, 20240), (880, 15019), (920, 14366), (1012, 13060), (1265, 10448), (1306, 10120), (1840, 7183), (2024, 6530), (2530, 5224), (2612, 5060), (3265, 4048)]