15681040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6323}}^1$

素因数の和:6367

約数の個数: 40

約数和(自身を含む): 37640448

約数和(自身を除く): 21959408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6323, 12646, 25292, 31615, 50584, 63230, 101168, 126460, 196013, 252920, 392026, 505840, 784052, 980065, 1568104, 1960130, 3136208, 3920260, 7840520, 15681040]

約数ペア:

[(1, 15681040), (2, 7840520), (4, 3920260), (5, 3136208), (8, 1960130), (10, 1568104), (16, 980065), (20, 784052), (31, 505840), (40, 392026), (62, 252920), (80, 196013), (124, 126460), (155, 101168), (248, 63230), (310, 50584), (496, 31615), (620, 25292), (1240, 12646), (2480, 6323)]