27490420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 59351040

約数和(自身を除く): 31860620

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 137, 158, 254, 274, 316, 395, 508, 548, 635, 685, 790, 1270, 1370, 1580, 2540, 2740, 10033, 10823, 17399, 20066, 21646, 34798, 40132, 43292, 50165, 54115, 69596, 86995, 100330, 108230, 173990, 200660, 216460, 347980, 1374521, 2749042, 5498084, 6872605, 13745210, 27490420]

約数ペア:

[(1, 27490420), (2, 13745210), (4, 6872605), (5, 5498084), (10, 2749042), (20, 1374521), (79, 347980), (127, 216460), (137, 200660), (158, 173990), (254, 108230), (274, 100330), (316, 86995), (395, 69596), (508, 54115), (548, 50165), (635, 43292), (685, 40132), (790, 34798), (1270, 21646), (1370, 20066), (1580, 17399), (2540, 10823), (2740, 10033)]