2053640080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1351079}}^1$

素因数の和:1351111

約数の個数: 40

約数和(自身を含む): 5026017600

約数和(自身を除く): 2972377520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1351079, 2702158, 5404316, 6755395, 10808632, 13510790, 21617264, 25670501, 27021580, 51341002, 54043160, 102682004, 108086320, 128352505, 205364008, 256705010, 410728016, 513410020, 1026820040, 2053640080]

約数ペア:

[(1, 2053640080), (2, 1026820040), (4, 513410020), (5, 410728016), (8, 256705010), (10, 205364008), (16, 128352505), (19, 108086320), (20, 102682004), (38, 54043160), (40, 51341002), (76, 27021580), (80, 25670501), (95, 21617264), (152, 13510790), (190, 10808632), (304, 6755395), (380, 5404316), (760, 2702158), (1520, 1351079)]