82498720

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1013}}^1$

素因数の和:1537

約数の個数: 48

約数和(自身を含む): 195478920

約数和(自身を除く): 112980200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 1013, 1018, 2026, 2036, 2545, 4052, 4072, 5065, 5090, 8104, 8144, 10130, 10180, 16208, 16288, 20260, 20360, 32416, 40520, 40720, 81040, 81440, 162080, 515617, 1031234, 2062468, 2578085, 4124936, 5156170, 8249872, 10312340, 16499744, 20624680, 41249360, 82498720]

約数ペア:

[(1, 82498720), (2, 41249360), (4, 20624680), (5, 16499744), (8, 10312340), (10, 8249872), (16, 5156170), (20, 4124936), (32, 2578085), (40, 2062468), (80, 1031234), (160, 515617), (509, 162080), (1013, 81440), (1018, 81040), (2026, 40720), (2036, 40520), (2545, 32416), (4052, 20360), (4072, 20260), (5065, 16288), (5090, 16208), (8104, 10180), (8144, 10130)]