27809860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106961}}^1$

素因数の和:106983

約数の個数: 24

約数和(自身を含む): 62893656

約数和(自身を除く): 35083796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 106961, 213922, 427844, 534805, 1069610, 1390493, 2139220, 2780986, 5561972, 6952465, 13904930, 27809860]

約数ペア:

[(1, 27809860), (2, 13904930), (4, 6952465), (5, 5561972), (10, 2780986), (13, 2139220), (20, 1390493), (26, 1069610), (52, 534805), (65, 427844), (130, 213922), (260, 106961)]