156980840

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{5077}}^1$

素因数の和:5861

約数の個数: 32

約数和(自身を含む): 353733480

約数和(自身を除く): 196752640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 3092, 3865, 5077, 6184, 7730, 10154, 15460, 20308, 25385, 30920, 40616, 50770, 101540, 203080, 3924521, 7849042, 15698084, 19622605, 31396168, 39245210, 78490420, 156980840]

約数ペア:

[(1, 156980840), (2, 78490420), (4, 39245210), (5, 31396168), (8, 19622605), (10, 15698084), (20, 7849042), (40, 3924521), (773, 203080), (1546, 101540), (3092, 50770), (3865, 40616), (5077, 30920), (6184, 25385), (7730, 20308), (10154, 15460)]