27321940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 31666220

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 151, 166, 218, 302, 332, 415, 436, 545, 604, 755, 830, 1090, 1510, 1660, 2180, 3020, 9047, 12533, 16459, 18094, 25066, 32918, 36188, 45235, 50132, 62665, 65836, 82295, 90470, 125330, 164590, 180940, 250660, 329180, 1366097, 2732194, 5464388, 6830485, 13660970, 27321940]

約数ペア:

[(1, 27321940), (2, 13660970), (4, 6830485), (5, 5464388), (10, 2732194), (20, 1366097), (83, 329180), (109, 250660), (151, 180940), (166, 164590), (218, 125330), (302, 90470), (332, 82295), (415, 65836), (436, 62665), (545, 50132), (604, 45235), (755, 36188), (830, 32918), (1090, 25066), (1510, 18094), (1660, 16459), (2180, 12533), (3020, 9047)]