40381168

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 80272640

約数和(自身を除く): 39891472

約数列:

[1, 2, 4, 8, 16, 67, 134, 139, 268, 271, 278, 536, 542, 556, 1072, 1084, 1112, 2168, 2224, 4336, 9313, 18157, 18626, 36314, 37252, 37669, 72628, 74504, 75338, 145256, 149008, 150676, 290512, 301352, 602704, 2523823, 5047646, 10095292, 20190584, 40381168]

約数ペア:

[(1, 40381168), (2, 20190584), (4, 10095292), (8, 5047646), (16, 2523823), (67, 602704), (134, 301352), (139, 290512), (268, 150676), (271, 149008), (278, 145256), (536, 75338), (542, 74504), (556, 72628), (1072, 37669), (1084, 37252), (1112, 36314), (2168, 18626), (2224, 18157), (4336, 9313)]