1928521720

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{105499}}^1$

素因数の和:105967

約数の個数: 32

約数和(自身を含む): 4348710000

約数和(自身を除く): 2420188280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 18280, 105499, 210998, 421996, 527495, 843992, 1054990, 2109980, 4219960, 48213043, 96426086, 192852172, 241065215, 385704344, 482130430, 964260860, 1928521720]

約数ペア:

[(1, 1928521720), (2, 964260860), (4, 482130430), (5, 385704344), (8, 241065215), (10, 192852172), (20, 96426086), (40, 48213043), (457, 4219960), (914, 2109980), (1828, 1054990), (2285, 843992), (3656, 527495), (4570, 421996), (9140, 210998), (18280, 105499)]