12881840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7001}}^1$

素因数の和:7037

約数の個数: 40

約数和(自身を含む): 31256928

約数和(自身を除く): 18375088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 7001, 14002, 28004, 35005, 56008, 70010, 112016, 140020, 161023, 280040, 322046, 560080, 644092, 805115, 1288184, 1610230, 2576368, 3220460, 6440920, 12881840]

約数ペア:

[(1, 12881840), (2, 6440920), (4, 3220460), (5, 2576368), (8, 1610230), (10, 1288184), (16, 805115), (20, 644092), (23, 560080), (40, 322046), (46, 280040), (80, 161023), (92, 140020), (115, 112016), (184, 70010), (230, 56008), (368, 35005), (460, 28004), (920, 14002), (1840, 7001)]