40204840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77317}}^1$

素因数の和:77341

約数の個数: 32

約数和(自身を含む): 97420680

約数和(自身を除く): 57215840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77317, 154634, 309268, 386585, 618536, 773170, 1005121, 1546340, 2010242, 3092680, 4020484, 5025605, 8040968, 10051210, 20102420, 40204840]

約数ペア:

[(1, 40204840), (2, 20102420), (4, 10051210), (5, 8040968), (8, 5025605), (10, 4020484), (13, 3092680), (20, 2010242), (26, 1546340), (40, 1005121), (52, 773170), (65, 618536), (104, 386585), (130, 309268), (260, 154634), (520, 77317)]