2821000340

素因数分解:

$2^2\times 5^1\times {\mathrm{6203}}^1\times {\mathrm{22739}}^1$

素因数の和:28951

約数の個数: 24

約数和(自身を含む): 5925316320

約数和(自身を除く): 3104315980

約数列:

[1, 2, 4, 5, 10, 20, 6203, 12406, 22739, 24812, 31015, 45478, 62030, 90956, 113695, 124060, 227390, 454780, 141050017, 282100034, 564200068, 705250085, 1410500170, 2821000340]

約数ペア:

[(1, 2821000340), (2, 1410500170), (4, 705250085), (5, 564200068), (10, 282100034), (20, 141050017), (6203, 454780), (12406, 227390), (22739, 124060), (24812, 113695), (31015, 90956), (45478, 62030)]