21535516480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2170919}}^1$

素因数の和:2170967

約数の個数: 56

約数和(自身を含む): 52935713280

約数和(自身を除く): 31400196800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 2170919, 4341838, 8683676, 10854595, 17367352, 21709190, 34734704, 43418380, 67298489, 69469408, 86836760, 134596978, 138938816, 173673520, 269193956, 336492445, 347347040, 538387912, 672984890, 694694080, 1076775824, 1345969780, 2153551648, 2691939560, 4307103296, 5383879120, 10767758240, 21535516480]

約数ペア:

[(1, 21535516480), (2, 10767758240), (4, 5383879120), (5, 4307103296), (8, 2691939560), (10, 2153551648), (16, 1345969780), (20, 1076775824), (31, 694694080), (32, 672984890), (40, 538387912), (62, 347347040), (64, 336492445), (80, 269193956), (124, 173673520), (155, 138938816), (160, 134596978), (248, 86836760), (310, 69469408), (320, 67298489), (496, 43418380), (620, 34734704), (992, 21709190), (1240, 17367352), (1984, 10854595), (2480, 8683676), (4960, 4341838), (9920, 2170919)]