21738037120

素因数分解:

$2^7\times 5^1\times {\mathrm{33965683}}^1$

素因数の和:33965702

約数の個数: 32

約数和(自身を含む): 51967496520

約数和(自身を除く): 30229459400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33965683, 67931366, 135862732, 169828415, 271725464, 339656830, 543450928, 679313660, 1086901856, 1358627320, 2173803712, 2717254640, 4347607424, 5434509280, 10869018560, 21738037120]

約数ペア:

[(1, 21738037120), (2, 10869018560), (4, 5434509280), (5, 4347607424), (8, 2717254640), (10, 2173803712), (16, 1358627320), (20, 1086901856), (32, 679313660), (40, 543450928), (64, 339656830), (80, 271725464), (128, 169828415), (160, 135862732), (320, 67931366), (640, 33965683)]