77871040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18719}}^1$

素因数の和:18749

約数の個数: 56

約数和(自身を含む): 199704960

約数和(自身を除く): 121833920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 18719, 37438, 74876, 93595, 149752, 187190, 243347, 299504, 374380, 486694, 599008, 748760, 973388, 1198016, 1216735, 1497520, 1946776, 2433470, 2995040, 3893552, 4866940, 5990080, 7787104, 9733880, 15574208, 19467760, 38935520, 77871040]

約数ペア:

[(1, 77871040), (2, 38935520), (4, 19467760), (5, 15574208), (8, 9733880), (10, 7787104), (13, 5990080), (16, 4866940), (20, 3893552), (26, 2995040), (32, 2433470), (40, 1946776), (52, 1497520), (64, 1216735), (65, 1198016), (80, 973388), (104, 748760), (130, 599008), (160, 486694), (208, 374380), (260, 299504), (320, 243347), (416, 187190), (520, 149752), (832, 93595), (1040, 74876), (2080, 37438), (4160, 18719)]