13201580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 33994800

約数和(自身を除く): 20793220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 709, 931, 980, 1330, 1418, 1862, 2660, 2836, 3545, 3724, 4655, 4963, 7090, 9310, 9926, 13471, 14180, 18620, 19852, 24815, 26942, 34741, 49630, 53884, 67355, 69482, 94297, 99260, 134710, 138964, 173705, 188594, 269420, 347410, 377188, 471485, 660079, 694820, 942970, 1320158, 1885940, 2640316, 3300395, 6600790, 13201580]

約数ペア:

[(1, 13201580), (2, 6600790), (4, 3300395), (5, 2640316), (7, 1885940), (10, 1320158), (14, 942970), (19, 694820), (20, 660079), (28, 471485), (35, 377188), (38, 347410), (49, 269420), (70, 188594), (76, 173705), (95, 138964), (98, 134710), (133, 99260), (140, 94297), (190, 69482), (196, 67355), (245, 53884), (266, 49630), (380, 34741), (490, 26942), (532, 24815), (665, 19852), (709, 18620), (931, 14180), (980, 13471), (1330, 9926), (1418, 9310), (1862, 7090), (2660, 4963), (2836, 4655), (3545, 3724)]