2009307500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{19603}}^1$

素因数の和:19668

約数の個数: 60

約数和(自身を含む): 4501352856

約数和(自身を除く): 2492045356

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 625, 820, 1025, 1250, 2050, 2500, 4100, 5125, 10250, 19603, 20500, 25625, 39206, 51250, 78412, 98015, 102500, 196030, 392060, 490075, 803723, 980150, 1607446, 1960300, 2450375, 3214892, 4018615, 4900750, 8037230, 9801500, 12251875, 16074460, 20093075, 24503750, 40186150, 49007500, 80372300, 100465375, 200930750, 401861500, 502326875, 1004653750, 2009307500]

約数ペア:

[(1, 2009307500), (2, 1004653750), (4, 502326875), (5, 401861500), (10, 200930750), (20, 100465375), (25, 80372300), (41, 49007500), (50, 40186150), (82, 24503750), (100, 20093075), (125, 16074460), (164, 12251875), (205, 9801500), (250, 8037230), (410, 4900750), (500, 4018615), (625, 3214892), (820, 2450375), (1025, 1960300), (1250, 1607446), (2050, 980150), (2500, 803723), (4100, 490075), (5125, 392060), (10250, 196030), (19603, 102500), (20500, 98015), (25625, 78412), (39206, 51250)]