40437280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19441}}^1$

素因数の和:19469

約数の個数: 48

約数和(自身を含む): 102887064

約数和(自身を除く): 62449784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 19441, 38882, 77764, 97205, 155528, 194410, 252733, 311056, 388820, 505466, 622112, 777640, 1010932, 1263665, 1555280, 2021864, 2527330, 3110560, 4043728, 5054660, 8087456, 10109320, 20218640, 40437280]

約数ペア:

[(1, 40437280), (2, 20218640), (4, 10109320), (5, 8087456), (8, 5054660), (10, 4043728), (13, 3110560), (16, 2527330), (20, 2021864), (26, 1555280), (32, 1263665), (40, 1010932), (52, 777640), (65, 622112), (80, 505466), (104, 388820), (130, 311056), (160, 252733), (208, 194410), (260, 155528), (416, 97205), (520, 77764), (1040, 38882), (2080, 19441)]