40905280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9833}}^1$

素因数の和:9863

約数の個数: 56

約数和(自身を含む): 104909112

約数和(自身を除く): 64003832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9833, 19666, 39332, 49165, 78664, 98330, 127829, 157328, 196660, 255658, 314656, 393320, 511316, 629312, 639145, 786640, 1022632, 1278290, 1573280, 2045264, 2556580, 3146560, 4090528, 5113160, 8181056, 10226320, 20452640, 40905280]

約数ペア:

[(1, 40905280), (2, 20452640), (4, 10226320), (5, 8181056), (8, 5113160), (10, 4090528), (13, 3146560), (16, 2556580), (20, 2045264), (26, 1573280), (32, 1278290), (40, 1022632), (52, 786640), (64, 639145), (65, 629312), (80, 511316), (104, 393320), (130, 314656), (160, 255658), (208, 196660), (260, 157328), (320, 127829), (416, 98330), (520, 78664), (832, 49165), (1040, 39332), (2080, 19666), (4160, 9833)]