2137438640

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{110863}}^1$

素因数の和:111117

約数の個数: 40

約数和(自身を含む): 4990210368

約数和(自身を除く): 2852771728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 110863, 221726, 443452, 554315, 886904, 1108630, 1773808, 2217260, 4434520, 8869040, 26717983, 53435966, 106871932, 133589915, 213743864, 267179830, 427487728, 534359660, 1068719320, 2137438640]

約数ペア:

[(1, 2137438640), (2, 1068719320), (4, 534359660), (5, 427487728), (8, 267179830), (10, 213743864), (16, 133589915), (20, 106871932), (40, 53435966), (80, 26717983), (241, 8869040), (482, 4434520), (964, 2217260), (1205, 1773808), (1928, 1108630), (2410, 886904), (3856, 554315), (4820, 443452), (9640, 221726), (19280, 110863)]