164475440

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2399}}^1$

素因数の和:3269

約数の個数: 40

約数和(自身を含む): 383011200

約数和(自身を除く): 218535760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 1714, 2399, 3428, 4285, 4798, 6856, 8570, 9596, 11995, 13712, 17140, 19192, 23990, 34280, 38384, 47980, 68560, 95960, 191920, 2055943, 4111886, 8223772, 10279715, 16447544, 20559430, 32895088, 41118860, 82237720, 164475440]

約数ペア:

[(1, 164475440), (2, 82237720), (4, 41118860), (5, 32895088), (8, 20559430), (10, 16447544), (16, 10279715), (20, 8223772), (40, 4111886), (80, 2055943), (857, 191920), (1714, 95960), (2399, 68560), (3428, 47980), (4285, 38384), (4798, 34280), (6856, 23990), (8570, 19192), (9596, 17140), (11995, 13712)]