31796000

素因数分解:

$2^5\times 5^3\times {\mathrm{7949}}^1$

素因数の和:7974

約数の個数: 48

約数和(自身を含む): 78132600

約数和(自身を除く): 46336600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7949, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 198725, 254368, 317960, 397450, 635920, 794900, 993625, 1271840, 1589800, 1987250, 3179600, 3974500, 6359200, 7949000, 15898000, 31796000]

約数ペア:

[(1, 31796000), (2, 15898000), (4, 7949000), (5, 6359200), (8, 3974500), (10, 3179600), (16, 1987250), (20, 1589800), (25, 1271840), (32, 993625), (40, 794900), (50, 635920), (80, 397450), (100, 317960), (125, 254368), (160, 198725), (200, 158980), (250, 127184), (400, 79490), (500, 63592), (800, 39745), (1000, 31796), (2000, 15898), (4000, 7949)]