23131780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 55996416

約数和(自身を除く): 32864636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1301, 1778, 2540, 2602, 3556, 4445, 5204, 6505, 8890, 9107, 13010, 17780, 18214, 26020, 36428, 45535, 91070, 165227, 182140, 330454, 660908, 826135, 1156589, 1652270, 2313178, 3304540, 4626356, 5782945, 11565890, 23131780]

約数ペア:

[(1, 23131780), (2, 11565890), (4, 5782945), (5, 4626356), (7, 3304540), (10, 2313178), (14, 1652270), (20, 1156589), (28, 826135), (35, 660908), (70, 330454), (127, 182140), (140, 165227), (254, 91070), (508, 45535), (635, 36428), (889, 26020), (1270, 18214), (1301, 17780), (1778, 13010), (2540, 9107), (2602, 8890), (3556, 6505), (4445, 5204)]