78837280

素因数分解:

$2^5\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1321}}^1$

素因数の和:1709

約数の個数: 48

約数和(自身を含む): 186893784

約数和(自身を除く): 108056504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 373, 746, 1321, 1492, 1865, 2642, 2984, 3730, 5284, 5968, 6605, 7460, 10568, 11936, 13210, 14920, 21136, 26420, 29840, 42272, 52840, 59680, 105680, 211360, 492733, 985466, 1970932, 2463665, 3941864, 4927330, 7883728, 9854660, 15767456, 19709320, 39418640, 78837280]

約数ペア:

[(1, 78837280), (2, 39418640), (4, 19709320), (5, 15767456), (8, 9854660), (10, 7883728), (16, 4927330), (20, 3941864), (32, 2463665), (40, 1970932), (80, 985466), (160, 492733), (373, 211360), (746, 105680), (1321, 59680), (1492, 52840), (1865, 42272), (2642, 29840), (2984, 26420), (3730, 21136), (5284, 14920), (5968, 13210), (6605, 11936), (7460, 10568)]