25150660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 29180540

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 139, 166, 218, 278, 332, 415, 436, 545, 556, 695, 830, 1090, 1390, 1660, 2180, 2780, 9047, 11537, 15151, 18094, 23074, 30302, 36188, 45235, 46148, 57685, 60604, 75755, 90470, 115370, 151510, 180940, 230740, 303020, 1257533, 2515066, 5030132, 6287665, 12575330, 25150660]

約数ペア:

[(1, 25150660), (2, 12575330), (4, 6287665), (5, 5030132), (10, 2515066), (20, 1257533), (83, 303020), (109, 230740), (139, 180940), (166, 151510), (218, 115370), (278, 90470), (332, 75755), (415, 60604), (436, 57685), (545, 46148), (556, 45235), (695, 36188), (830, 30302), (1090, 23074), (1390, 18094), (1660, 15151), (2180, 11537), (2780, 9047)]