8642140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 20024928

約数和(自身を除く): 11382788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 773, 860, 1118, 1546, 2236, 2795, 3092, 3865, 5590, 7730, 10049, 11180, 15460, 20098, 33239, 40196, 50245, 66478, 100490, 132956, 166195, 200980, 332390, 432107, 664780, 864214, 1728428, 2160535, 4321070, 8642140]

約数ペア:

[(1, 8642140), (2, 4321070), (4, 2160535), (5, 1728428), (10, 864214), (13, 664780), (20, 432107), (26, 332390), (43, 200980), (52, 166195), (65, 132956), (86, 100490), (130, 66478), (172, 50245), (215, 40196), (260, 33239), (430, 20098), (559, 15460), (773, 11180), (860, 10049), (1118, 7730), (1546, 5590), (2236, 3865), (2795, 3092)]