51957523960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1\times {\mathrm{25849}}^1$

素因数の和:27512

約数の個数: 64

約数和(自身を含む): 120754656000

約数和(自身を除く): 68797132040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1621, 3242, 6484, 8105, 12968, 16210, 25849, 32420, 50251, 51698, 64840, 100502, 103396, 129245, 201004, 206792, 251255, 258490, 402008, 502510, 516980, 801319, 1005020, 1033960, 1602638, 2010040, 3205276, 4006595, 6410552, 8013190, 16026380, 32052760, 41901229, 83802458, 167604916, 209506145, 335209832, 419012290, 838024580, 1298938099, 1676049160, 2597876198, 5195752396, 6494690495, 10391504792, 12989380990, 25978761980, 51957523960]

約数ペア:

[(1, 51957523960), (2, 25978761980), (4, 12989380990), (5, 10391504792), (8, 6494690495), (10, 5195752396), (20, 2597876198), (31, 1676049160), (40, 1298938099), (62, 838024580), (124, 419012290), (155, 335209832), (248, 209506145), (310, 167604916), (620, 83802458), (1240, 41901229), (1621, 32052760), (3242, 16026380), (6484, 8013190), (8105, 6410552), (12968, 4006595), (16210, 3205276), (25849, 2010040), (32420, 1602638), (50251, 1033960), (51698, 1005020), (64840, 801319), (100502, 516980), (103396, 502510), (129245, 402008), (201004, 258490), (206792, 251255)]