4068940

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{523}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 8583120

約数和(自身を除く): 4514180

約数列:

[1, 2, 4, 5, 10, 20, 389, 523, 778, 1046, 1556, 1945, 2092, 2615, 3890, 5230, 7780, 10460, 203447, 406894, 813788, 1017235, 2034470, 4068940]

約数ペア:

[(1, 4068940), (2, 2034470), (4, 1017235), (5, 813788), (10, 406894), (20, 203447), (389, 10460), (523, 7780), (778, 5230), (1046, 3890), (1556, 2615), (1945, 2092)]