131002040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19379}}^1$

素因数の和:19416

約数の個数: 48

約数和(自身を含む): 319188600

約数和(自身を除く): 188186560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 19379, 38758, 77516, 96895, 155032, 193790, 251927, 387580, 503854, 775160, 1007708, 1259635, 2015416, 2519270, 3275051, 5038540, 6550102, 10077080, 13100204, 16375255, 26200408, 32750510, 65501020, 131002040]

約数ペア:

[(1, 131002040), (2, 65501020), (4, 32750510), (5, 26200408), (8, 16375255), (10, 13100204), (13, 10077080), (20, 6550102), (26, 5038540), (40, 3275051), (52, 2519270), (65, 2015416), (104, 1259635), (130, 1007708), (169, 775160), (260, 503854), (338, 387580), (520, 251927), (676, 193790), (845, 155032), (1352, 96895), (1690, 77516), (3380, 38758), (6760, 19379)]