40284280

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2243}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 90882000

約数和(自身を除く): 50597720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2243, 2245, 3592, 4486, 4490, 8972, 8980, 11215, 17944, 17960, 22430, 44860, 89720, 1007107, 2014214, 4028428, 5035535, 8056856, 10071070, 20142140, 40284280]

約数ペア:

[(1, 40284280), (2, 20142140), (4, 10071070), (5, 8056856), (8, 5035535), (10, 4028428), (20, 2014214), (40, 1007107), (449, 89720), (898, 44860), (1796, 22430), (2243, 17960), (2245, 17944), (3592, 11215), (4486, 8980), (4490, 8972)]