1381840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 3356928

約数和(自身を除く): 1975088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 751, 920, 1502, 1840, 3004, 3755, 6008, 7510, 12016, 15020, 17273, 30040, 34546, 60080, 69092, 86365, 138184, 172730, 276368, 345460, 690920, 1381840]

約数ペア:

[(1, 1381840), (2, 690920), (4, 345460), (5, 276368), (8, 172730), (10, 138184), (16, 86365), (20, 69092), (23, 60080), (40, 34546), (46, 30040), (80, 17273), (92, 15020), (115, 12016), (184, 7510), (230, 6008), (368, 3755), (460, 3004), (751, 1840), (920, 1502)]