23428640

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 55724760

約数和(自身を除く): 32296120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 809, 905, 1448, 1618, 1810, 2896, 3236, 3620, 4045, 5792, 6472, 7240, 8090, 12944, 14480, 16180, 25888, 28960, 32360, 64720, 129440, 146429, 292858, 585716, 732145, 1171432, 1464290, 2342864, 2928580, 4685728, 5857160, 11714320, 23428640]

約数ペア:

[(1, 23428640), (2, 11714320), (4, 5857160), (5, 4685728), (8, 2928580), (10, 2342864), (16, 1464290), (20, 1171432), (32, 732145), (40, 585716), (80, 292858), (160, 146429), (181, 129440), (362, 64720), (724, 32360), (809, 28960), (905, 25888), (1448, 16180), (1618, 14480), (1810, 12944), (2896, 8090), (3236, 7240), (3620, 6472), (4045, 5792)]