156674115460

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{3942479}}^1$

素因数の和:3944475

約数の個数: 24

約数和(自身を含む): 329181310080

約数和(自身を除く): 172507194620

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 3942479, 7884958, 15769916, 19712395, 39424790, 78849580, 7833705773, 15667411546, 31334823092, 39168528865, 78337057730, 156674115460]

約数ペア:

[(1, 156674115460), (2, 78337057730), (4, 39168528865), (5, 31334823092), (10, 15667411546), (20, 7833705773), (1987, 78849580), (3974, 39424790), (7948, 19712395), (9935, 15769916), (19870, 7884958), (39740, 3942479)]