28415480

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{919}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 64087200

約数和(自身を除く): 35671720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 919, 1546, 1838, 3092, 3676, 3865, 4595, 6184, 7352, 7730, 9190, 15460, 18380, 30920, 36760, 710387, 1420774, 2841548, 3551935, 5683096, 7103870, 14207740, 28415480]

約数ペア:

[(1, 28415480), (2, 14207740), (4, 7103870), (5, 5683096), (8, 3551935), (10, 2841548), (20, 1420774), (40, 710387), (773, 36760), (919, 30920), (1546, 18380), (1838, 15460), (3092, 9190), (3676, 7730), (3865, 7352), (4595, 6184)]