264575440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{143791}}^1$

素因数の和:143827

約数の個数: 40

約数和(自身を含む): 641887488

約数和(自身を除く): 377312048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 143791, 287582, 575164, 718955, 1150328, 1437910, 2300656, 2875820, 3307193, 5751640, 6614386, 11503280, 13228772, 16535965, 26457544, 33071930, 52915088, 66143860, 132287720, 264575440]

約数ペア:

[(1, 264575440), (2, 132287720), (4, 66143860), (5, 52915088), (8, 33071930), (10, 26457544), (16, 16535965), (20, 13228772), (23, 11503280), (40, 6614386), (46, 5751640), (80, 3307193), (92, 2875820), (115, 2300656), (184, 1437910), (230, 1150328), (368, 718955), (460, 575164), (920, 287582), (1840, 143791)]