2906961520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{2039}}^1$

素因数の和:2374

約数の個数: 80

約数和(自身を含む): 6884559360

約数和(自身を除く): 3977597840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 251, 284, 355, 502, 568, 710, 1004, 1136, 1255, 1420, 2008, 2039, 2510, 2840, 4016, 4078, 5020, 5680, 8156, 10040, 10195, 16312, 17821, 20080, 20390, 32624, 35642, 40780, 71284, 81560, 89105, 142568, 144769, 163120, 178210, 285136, 289538, 356420, 511789, 579076, 712840, 723845, 1023578, 1158152, 1425680, 1447690, 2047156, 2316304, 2558945, 2895380, 4094312, 5117890, 5790760, 8188624, 10235780, 11581520, 20471560, 36337019, 40943120, 72674038, 145348076, 181685095, 290696152, 363370190, 581392304, 726740380, 1453480760, 2906961520]

約数ペア:

[(1, 2906961520), (2, 1453480760), (4, 726740380), (5, 581392304), (8, 363370190), (10, 290696152), (16, 181685095), (20, 145348076), (40, 72674038), (71, 40943120), (80, 36337019), (142, 20471560), (251, 11581520), (284, 10235780), (355, 8188624), (502, 5790760), (568, 5117890), (710, 4094312), (1004, 2895380), (1136, 2558945), (1255, 2316304), (1420, 2047156), (2008, 1447690), (2039, 1425680), (2510, 1158152), (2840, 1023578), (4016, 723845), (4078, 712840), (5020, 579076), (5680, 511789), (8156, 356420), (10040, 289538), (10195, 285136), (16312, 178210), (17821, 163120), (20080, 144769), (20390, 142568), (32624, 89105), (35642, 81560), (40780, 71284)]