203921840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{14083}}^1$

素因数の和:14277

約数の個数: 40

約数和(自身を含む): 476771568

約数和(自身を除く): 272849728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14083, 14480, 28166, 56332, 70415, 112664, 140830, 225328, 281660, 563320, 1126640, 2549023, 5098046, 10196092, 12745115, 20392184, 25490230, 40784368, 50980460, 101960920, 203921840]

約数ペア:

[(1, 203921840), (2, 101960920), (4, 50980460), (5, 40784368), (8, 25490230), (10, 20392184), (16, 12745115), (20, 10196092), (40, 5098046), (80, 2549023), (181, 1126640), (362, 563320), (724, 281660), (905, 225328), (1448, 140830), (1810, 112664), (2896, 70415), (3620, 56332), (7240, 28166), (14083, 14480)]