79216540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 179800992

約数和(自身を除く): 100584452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 557, 1094, 1114, 2188, 2228, 2735, 2785, 5470, 5570, 7111, 7241, 10940, 11140, 14222, 14482, 28444, 28964, 35555, 36205, 71110, 72410, 142220, 144820, 304679, 609358, 1218716, 1523395, 3046790, 3960827, 6093580, 7921654, 15843308, 19804135, 39608270, 79216540]

約数ペア:

[(1, 79216540), (2, 39608270), (4, 19804135), (5, 15843308), (10, 7921654), (13, 6093580), (20, 3960827), (26, 3046790), (52, 1523395), (65, 1218716), (130, 609358), (260, 304679), (547, 144820), (557, 142220), (1094, 72410), (1114, 71110), (2188, 36205), (2228, 35555), (2735, 28964), (2785, 28444), (5470, 14482), (5570, 14222), (7111, 11140), (7241, 10940)]