420160240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89017}}^1$

素因数の和:89089

約数の個数: 40

約数和(自身を含む): 993440880

約数和(自身を除く): 573280640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 89017, 178034, 356068, 445085, 712136, 890170, 1424272, 1780340, 3560680, 5252003, 7121360, 10504006, 21008012, 26260015, 42016024, 52520030, 84032048, 105040060, 210080120, 420160240]

約数ペア:

[(1, 420160240), (2, 210080120), (4, 105040060), (5, 84032048), (8, 52520030), (10, 42016024), (16, 26260015), (20, 21008012), (40, 10504006), (59, 7121360), (80, 5252003), (118, 3560680), (236, 1780340), (295, 1424272), (472, 890170), (590, 712136), (944, 445085), (1180, 356068), (2360, 178034), (4720, 89017)]