65670980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 78997180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 367, 389, 460, 734, 778, 1468, 1556, 1835, 1945, 3670, 3890, 7340, 7780, 8441, 8947, 16882, 17894, 33764, 35788, 42205, 44735, 84410, 89470, 142763, 168820, 178940, 285526, 571052, 713815, 1427630, 2855260, 3283549, 6567098, 13134196, 16417745, 32835490, 65670980]

約数ペア:

[(1, 65670980), (2, 32835490), (4, 16417745), (5, 13134196), (10, 6567098), (20, 3283549), (23, 2855260), (46, 1427630), (92, 713815), (115, 571052), (230, 285526), (367, 178940), (389, 168820), (460, 142763), (734, 89470), (778, 84410), (1468, 44735), (1556, 42205), (1835, 35788), (1945, 33764), (3670, 17894), (3890, 16882), (7340, 8947), (7780, 8441)]