38641840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21001}}^1$

素因数の和:21037

約数の個数: 40

約数和(自身を含む): 93752928

約数和(自身を除く): 55111088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 21001, 42002, 84004, 105005, 168008, 210010, 336016, 420020, 483023, 840040, 966046, 1680080, 1932092, 2415115, 3864184, 4830230, 7728368, 9660460, 19320920, 38641840]

約数ペア:

[(1, 38641840), (2, 19320920), (4, 9660460), (5, 7728368), (8, 4830230), (10, 3864184), (16, 2415115), (20, 1932092), (23, 1680080), (40, 966046), (46, 840040), (80, 483023), (92, 420020), (115, 336016), (184, 210010), (230, 168008), (368, 105005), (460, 84004), (920, 42002), (1840, 21001)]