2511580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 5715360

約数和(自身を除く): 3203780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 89, 166, 170, 178, 332, 340, 356, 415, 445, 830, 890, 1411, 1513, 1660, 1780, 2822, 3026, 5644, 6052, 7055, 7387, 7565, 14110, 14774, 15130, 28220, 29548, 30260, 36935, 73870, 125579, 147740, 251158, 502316, 627895, 1255790, 2511580]

約数ペア:

[(1, 2511580), (2, 1255790), (4, 627895), (5, 502316), (10, 251158), (17, 147740), (20, 125579), (34, 73870), (68, 36935), (83, 30260), (85, 29548), (89, 28220), (166, 15130), (170, 14774), (178, 14110), (332, 7565), (340, 7387), (356, 7055), (415, 6052), (445, 5644), (830, 3026), (890, 2822), (1411, 1780), (1513, 1660)]