40021840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21751}}^1$

素因数の和:21787

約数の個数: 40

約数和(自身を含む): 97100928

約数和(自身を除く): 57079088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 21751, 43502, 87004, 108755, 174008, 217510, 348016, 435020, 500273, 870040, 1000546, 1740080, 2001092, 2501365, 4002184, 5002730, 8004368, 10005460, 20010920, 40021840]

約数ペア:

[(1, 40021840), (2, 20010920), (4, 10005460), (5, 8004368), (8, 5002730), (10, 4002184), (16, 2501365), (20, 2001092), (23, 1740080), (40, 1000546), (46, 870040), (80, 500273), (92, 435020), (115, 348016), (184, 217510), (230, 174008), (368, 108755), (460, 87004), (920, 43502), (1840, 21751)]