20160455200

素因数分解:

$2^5\times 5^2\times {\mathrm{313}}^1\times {\mathrm{80513}}^1$

素因数の和:80846

約数の個数: 72

約数和(自身を含む): 49374566388

約数和(自身を除く): 29214111188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 313, 400, 626, 800, 1252, 1565, 2504, 3130, 5008, 6260, 7825, 10016, 12520, 15650, 25040, 31300, 50080, 62600, 80513, 125200, 161026, 250400, 322052, 402565, 644104, 805130, 1288208, 1610260, 2012825, 2576416, 3220520, 4025650, 6441040, 8051300, 12882080, 16102600, 25200569, 32205200, 50401138, 64410400, 100802276, 126002845, 201604552, 252005690, 403209104, 504011380, 630014225, 806418208, 1008022760, 1260028450, 2016045520, 2520056900, 4032091040, 5040113800, 10080227600, 20160455200]

約数ペア:

[(1, 20160455200), (2, 10080227600), (4, 5040113800), (5, 4032091040), (8, 2520056900), (10, 2016045520), (16, 1260028450), (20, 1008022760), (25, 806418208), (32, 630014225), (40, 504011380), (50, 403209104), (80, 252005690), (100, 201604552), (160, 126002845), (200, 100802276), (313, 64410400), (400, 50401138), (626, 32205200), (800, 25200569), (1252, 16102600), (1565, 12882080), (2504, 8051300), (3130, 6441040), (5008, 4025650), (6260, 3220520), (7825, 2576416), (10016, 2012825), (12520, 1610260), (15650, 1288208), (25040, 805130), (31300, 644104), (50080, 402565), (62600, 322052), (80513, 250400), (125200, 161026)]